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  "featurename": "contrib/pg_upgrade",
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  "featurename": "contrib/sepgsql",
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  "featurename": "K-nearest neighbor GiST support",
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  "group": 1,
  "featurename": "Unlogged tables",
  "featuredescription": "Such tables provide better update performance than regular tables, but are not crash-safe: their contents are automatically cleared in case of a server crash. Their contents do not propagate to replication slaves, either.",
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  "featurename": "Hashing support for FULL OUTER JOIN, LEFT OUTER JOIN and RIGHT OUTER JOIN",
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  "group": 6,
  "featurename": "SSPI authentication via GSSAPI",
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  "group": 1,
  "featurename": "WAL Buffer auto-tuning",
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  "group": 16,
  "featurename": "Synchronous replication",
  "featuredescription": "This allows the primary to wait for a standby to write the transaction information to disk before acknowledging the commit. One standby at a time can take the role of the synchronous standby, as controlled by the synchronous_standby_names setting. Synchronous replication can be enabled or disabled on a per-transaction basis using the synchronous_commit setting.",
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  "featurename": "pg_basebackup tool",
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  "featurename": "Named restore points",
  "featuredescription": "Create a named point for performing restore using pg_create_restore_point",
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  "group": 15,
  "featurename": "Writable WITH Queries (Common Table Expressions)",
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  "featurename": "Serializable Snapshot Isolation",
  "featuredescription": "This implements true serializable snapshot isolation. Previously, asking for serializable isolation guaranteed only that a single MVCC snapshot would be used for the entire transaction, which allowed certain documented anomalies.",
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  "featurename": "Column-level collation support",
  "featuredescription": "Previously collation could only be set at database creation. Collation can now be set per column, domain, index, or expression, via the SQL-standard COLLATE clause.",
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  "featurename": "Extension Installation",
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  "group": 11,
  "featurename": "Foreign Tables",
  "featuredescription": "This allows data stored outside the database to be used like native PostgreSQL-stored data.",
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  "group": 14,
  "featurename": "ALTER TABLE ... ADD UNIQUE/PRIMARY KEY USING INDEX",
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  "featurename": "Foreign keys marked as NOT VALID",
  "featuredescription": "This introduces a new option to the creation of foreign keys called NOT VALID, which can later be modified to VALIDATED and validation checks performed. Together these allow you to add a foreign key with minimal impact on read and write operations.",
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  "featurename": "Triggers on views",
  "featuredescription": "This adds support for INSTEAD OF triggers on views which can be used to implement fully updatable views.",
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  "group": 2,
  "featurename": "FOREACH IN ARRAY in pl/pgsql",
  "featuredescription": "This is more efficient and readable than previous methods of iterating through the elements of an array value.",
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  "featurename": "Index-only scans",
  "featuredescription": "Also known as \"covering indexes\", allows data in indexes to satisfy queries where all columns in a given query are covered by the index.  This removes the requirement of having to visit the table pages, which was required previously to get visibility information, but now the visibility map is used instead.",
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  "featurename": "Multi-core scalability for read-only workloads",
  "featuredescription": "Improve concurrent read-only workloads on multi-core servers.  Previously this had limited scalability offering performance benefits only up to a few cores, but now performance gains are seen utilising all cores in 32 and 64 core servers.",
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  "group": 16,
  "featurename": "Cascading streaming replication",
  "featuredescription": "Standbys can now stream to other standbys, reducing replication load on the primary server.",
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  "featurename": "JSON data type",
  "featuredescription": "https://www.postgresql.org/docs/9.2/static/datatype-json.html",
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  "featurename": "Range types",
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  "featurename": "Space-Partitioned GiST (SP-GiST) Indexes",
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  "group": 9,
  "featurename": "smallserial type",
  "featuredescription": "A serial data type that uses smallint (2 byte integer) as its base type, giving it a reduced numeric range, but a smaller data footprint.",
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  "featurename": "contrib/tcn",
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  "featurename": "pg_receivewal (formerly pg_receivexlog)",
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  "featurename": "contrib/pg_stat_statements improvements",
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  "group": 1,
  "featurename": "Background Checkpointer",
  "featuredescription": "Originally the background writer held responsibility for writing checkpoints, but it has now been moved into its own separate process and the background writer is now only responsible for writing dirty pages to disk.  This provides advantages related to performance and power-reduction.",
  "v74": 0,
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 }
},
{
 "model": "featurematrix.feature",
 "pk": 228,
 "fields": {
  "group": 14,
  "featurename": "ALTER object IF EXISTS",
  "featuredescription": "Many objects now support IF EXISTS clauses on ALTER statements, such as tables, foreign tables, indexes, sequences etc.",
  "v74": 0,
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 }
},
{
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 "pk": 229,
 "fields": {
  "group": 14,
  "featurename": "CREATE TABLE ... (LIKE) with foreign tables, views and composite types",
  "featuredescription": "",
  "v74": 0,
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},
{
 "model": "featurematrix.feature",
 "pk": 230,
 "fields": {
  "group": 6,
  "featurename": "security_barrier option on views",
  "featuredescription": "This prevents security_barrier views from being moved into other scopes, preventing possible leakage of view-prohibited data.",
  "v74": 0,
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 }
},
{
 "model": "featurematrix.feature",
 "pk": 231,
 "fields": {
  "group": 15,
  "featurename": "LATERAL clause",
  "featuredescription": "SQL-standard LATERAL option for FROM-clause subqueries and function calls.",
  "v74": 0,
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},
{
 "model": "featurematrix.feature",
 "pk": 232,
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  "group": 4,
  "featurename": "64-bit large objects",
  "featuredescription": "Large objects are now 64-bit and can now be up to 4TB where before it was up to 2GB.",
  "v74": 0,
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},
{
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  "group": 10,
  "featurename": "Event triggers",
  "featuredescription": "Support for creating triggers for DDL events.",
  "v74": 0,
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},
{
 "model": "featurematrix.feature",
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  "group": 18,
  "featurename": "Updatable views",
  "featuredescription": "Simple views can now have UPDATE/INSERT/DELETE performed against them.",
  "v74": 0,
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},
{
 "model": "featurematrix.feature",
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  "group": 16,
  "featurename": "Parallel pg_dump",
  "featuredescription": "pg_dump now has a --jobs option to dump tables in parallel.",
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},
{
 "model": "featurematrix.feature",
 "pk": 236,
 "fields": {
  "group": 18,
  "featurename": "Materialized Views",
  "featuredescription": "https://www.postgresql.org/docs/current/static/rules-materializedviews.html",
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},
{
 "model": "featurematrix.feature",
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  "group": 11,
  "featurename": "Writable Foreign Data Wrappers",
  "featuredescription": "The foreign data wrapper infrastructure now supports INSERT/DELETE/UPDATE operations which individual FDWs can now add support for.",
  "v74": 0,
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},
{
 "model": "featurematrix.feature",
 "pk": 238,
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  "group": 11,
  "featurename": "Foreign data wrappers",
  "featuredescription": "Foreign data wrappers allow access to external data for querying.",
  "v74": 0,
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},
{
 "model": "featurematrix.feature",
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  "group": 11,
  "featurename": "PostgreSQL Foreign Data Wrapper",
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  "v74": 0,
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},
{
 "model": "featurematrix.feature",
 "pk": 240,
 "fields": {
  "group": 4,
  "featurename": "Support for anonymous shared memory",
  "featuredescription": "Previously sizing shared memory often required adjusting kernel parameters to accommodate the change.  This is no longer necessary.",
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 }
},
{
 "model": "featurematrix.feature",
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  "group": 4,
  "featurename": "Custom background workers",
  "featuredescription": "Background worker processes can now be added that can attach to PostgreSQL's shared memory.",
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},
{
 "model": "featurematrix.feature",
 "pk": 242,
 "fields": {
  "group": 15,
  "featurename": "SELECT FOR NO KEY UPDATE/SELECT FOR KEY SHARE lock modes",
  "featuredescription": "These prevent non-key-field row updates from locking foreign key rows.",
  "v74": 0,
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},
{
 "model": "featurematrix.feature",
 "pk": 243,
 "fields": {
  "group": 16,
  "featurename": "Checksum on data pages",
  "featuredescription": "Clusters can now be created with checksums on pages to detect and report page corruption.",
  "v74": 0,
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},
{
 "model": "featurematrix.feature",
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  "group": 16,
  "featurename": "Streaming-only cascading replication",
  "featuredescription": "Cascading replication previously required that an xlog archive be available in order for a standbys of the new primary to correctly switch to the new timeline.  This change removes this dependency.",
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},
{
 "model": "featurematrix.feature",
 "pk": 245,
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  "group": 3,
  "featurename": "contrib/pg_xlogdump",
  "featuredescription": "Displays a human-readable rendering of the write-ahead log of a PostgreSQL database cluster.",
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},
{
 "model": "featurematrix.feature",
 "pk": 246,
 "fields": {
  "group": 3,
  "featurename": "contrib/pg_trgm regular expressions indexing",
  "featuredescription": "Regular expressions can now be indexed using GIN in contrib/pg_trgm.",
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},
{
 "model": "featurematrix.feature",
 "pk": 247,
 "fields": {
  "group": 13,
  "featurename": "SP-GiST indexes for range types",
  "featuredescription": "GiST and SP-GiST indexes can be created for table columns of range types.",
  "v74": 0,
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},
{
 "model": "featurematrix.feature",
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 "fields": {
  "group": 19,
  "featurename": "COPY from/to STDIN/STDOUT",
  "featuredescription": "COPY and psql's \\copy now support piping from and to STDIN and STDOUT respectively.",
  "v74": 0,
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},
{
 "model": "featurematrix.feature",
 "pk": 249,
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  "group": 9,
  "featurename": "Improved set of JSON functions and operators",
  "featuredescription": "New operators and functions to extract values from JSON data strings, JSON data strings can now to be converted into records and new functions to convert values, records, and hstore data to JSON.",
  "v74": 0,
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 }
},
{
 "model": "featurematrix.feature",
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 "fields": {
  "group": 9,
  "featurename": "JSONB data type",
  "featuredescription": "https://www.postgresql.org/docs/9.4/static/datatype-json.html",
  "v74": 0,
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},
{
 "model": "featurematrix.feature",
 "pk": 251,
 "fields": {
  "group": 18,
  "featurename": "Materialized views with concurrent refresh",
  "featuredescription": "Materialized views which can be refreshed with REFRESH MATERIALIZED VIEW CONCURRENTLY name;",
  "v74": 0,
  "v80": 0,
  "v81": 0,
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},
{
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  "group": 20,
  "featurename": "ALTER SYSTEM",
  "featuredescription": "https://www.postgresql.org/docs/9.4/static/sql-altersystem.html",
  "v74": 0,
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},
{
 "model": "featurematrix.feature",
 "pk": 253,
 "fields": {
  "group": 6,
  "featurename": "krb5 authentication (without gssapi)",
  "featuredescription": "native Kerberos 5 wire authentication (replaced with GSSAPI)",
  "v74": 1,
  "v80": 1,
  "v81": 1,
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},
{
 "model": "featurematrix.feature",
 "pk": 254,
 "fields": {
  "group": 4,
  "featurename": "Dynamic Background Workers",
  "featuredescription": "Allows background workers to be started and stopped dynamically by any user process.",
  "v74": 0,
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},
{
 "model": "featurematrix.feature",
 "pk": 255,
 "fields": {
  "group": 16,
  "featurename": "Replication Slots",
  "featuredescription": "https://www.postgresql.org/docs/9.4/static/warm-standby.html#STREAMING-REPLICATION-SLOTS",
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 }
},
{
 "model": "featurematrix.feature",
 "pk": 256,
 "fields": {
  "group": 13,
  "featurename": "GIN Index performance and size improvements",
  "featuredescription": "GIN Indexes now take up significantly less space and perform a lot faster than pre-9.4 releases.",
  "v74": 0,
  "v80": 0,
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},
{
 "model": "featurematrix.feature",
 "pk": 257,
 "fields": {
  "group": 16,
  "featurename": "Time-delayed Standbys",
  "featuredescription": "A new setting called recovery_min_apply_delay will allow a standby to lag behind the primary by a specified amount of time.",
  "v74": 0,
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},
{
 "model": "featurematrix.feature",
 "pk": 258,
 "fields": {
  "group": 1,
  "featurename": "Reduced lock levels for ALTER TABLE commands",
  "featuredescription": "The following commands now have reduced lock levels for reduced lock contention:\r\n\r\nVALIDATE CONSTRAINT\r\n\r\nCLUSTER ON\r\nSET WITHOUT CLUSTER\r\n\r\nALTER COLUMN SET STATISTICS\r\nALTER COLUMN SET ()\r\nALTER COLUMN RESET ()",
  "v74": 0,
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 }
},
{
 "model": "featurematrix.feature",
 "pk": 259,
 "fields": {
  "group": 15,
  "featurename": "WITHIN GROUP clause",
  "featuredescription": "https://www.postgresql.org/docs/current/static/sql-expressions.html#SYNTAX-AGGREGATES",
  "v74": 0,
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 }
},
{
 "model": "featurematrix.feature",
 "pk": 260,
 "fields": {
  "group": 1,
  "featurename": "Base backup throttling",
  "featuredescription": "pg_basebackup now supports throttling of backups with -r <rate> or --max-rate <rate>, allowing control of the data transfer rate of the base backup.",
  "v74": 0,
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},
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  "featuredescription": "https://www.postgresql.org/docs/9.4/static/pgprewarm.html",
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},
{
 "model": "featurematrix.feature",
 "pk": 263,
 "fields": {
  "group": 10,
  "featurename": "FILTER clause for aggregate functions",
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},
{
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 "fields": {
  "group": 18,
  "featurename": "WITH CHECK clause",
  "featuredescription": "Auto-updatable views can now specify whether an INSERT or UPDATE would change the state of the row so that it would no longer be visible in the view.  Using WITH CHECK OPTION will prevent any such changes from occuring.",
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  "v74": 0,
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},
{
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  "group": 6,
  "featurename": "Row-Level Security",
  "featuredescription": "https://www.postgresql.org/docs/current/static/sql-createpolicy.html",
  "v74": 0,
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{
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  "featurename": "SKIP LOCKED clause",
  "featuredescription": "Skips over rows that are currently locked without waiting.",
  "v74": 0,
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  "v74": 0,
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{
 "model": "featurematrix.feature",
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  "group": 4,
  "featurename": "Parallel vacuumdb jobs",
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  "v74": 0,
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  "featurename": "Foreign table inheritance",
  "featuredescription": "Foreign tables can now inherit from other foreign tables or other regular tables.  The reverse also applies.",
  "v74": 0,
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{
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  "featurename": "Index-only scans on GiST",
  "featuredescription": "GiST indexes now support index-only scans.",
  "v74": 0,
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{
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  "featurename": "CREATE TRANSFORM",
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},
{
 "model": "featurematrix.feature",
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 "fields": {
  "group": 15,
  "featurename": "Upsert (INSERT ... ON CONFLICT DO ...)",
  "featuredescription": "Support for upsert functionality which allows either no action to be taken when a conflict is encountered, or convert the INSERT to an UPDATE.\r\n\r\nFor more information, please see the [INSERT](https://www.postgresql.org/docs/current/sql-insert.html) documentation.",
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},
{
 "model": "featurematrix.feature",
 "pk": 276,
 "fields": {
  "group": 9,
  "featurename": "JSONB-modifying operators and functions",
  "featuredescription": "New operators and functions which allow deleting, modifying or inserting values into JSONB values, including at specific path locations.",
  "v74": 0,
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},
{
 "model": "featurematrix.feature",
 "pk": 277,
 "fields": {
  "group": 1,
  "featurename": "TABLESAMPLE clause",
  "featuredescription": "Specifies that a sample of the table is to be used, which is useful for use-cases such as approximate averages.",
  "v74": 0,
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},
{
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 "fields": {
  "group": 15,
  "featurename": "GROUPING SETS, CUBE and ROLLUP support",
  "featuredescription": "https://www.postgresql.org/docs/current/static/queries-table-expressions.html#QUERIES-GROUPING-SETS",
  "v74": 0,
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},
{
 "model": "featurematrix.feature",
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 "fields": {
  "group": 1,
  "featurename": "Abbreviated Keys",
  "featuredescription": "The abbreviated keys optimization can be expected to greatly enhance the performance of sorts in PostgreSQL, including those used for CREATE INDEX. Reportedly, in some cases, CREATE INDEX on text columns can be as much as an entire order of magnitude faster (3x is a more typical improvement). Numeric sorts also support the optimization.",
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{
 "model": "featurematrix.feature",
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  "group": 16,
  "featurename": "min_wal_size / max_wal_size",
  "featuredescription": "Replaces `checkpoint_segments` parameter.\r\n\r\nFor more information, please see the [WAL configuration](https://www.postgresql.org/docs/current/wal-configuration.html) documentation.",
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},
{
 "model": "featurematrix.feature",
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  "group": 1,
  "featurename": "Parallel query",
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{
 "model": "featurematrix.feature",
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  "featurename": "Parallel full table scans (sequential scans)",
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},
{
 "model": "featurematrix.feature",
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 "fields": {
  "group": 1,
  "featurename": "Parallel JOIN, aggregate",
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  "group": 11,
  "featurename": "postgres_fdw pushdown",
  "featuredescription": "Ability to push down JOIN, Sorts, UPDATEs and DELETEs to the remote database in postgres_fdw driver, and theoretically in other drivers.  Also some generic operator/function pushdown.",
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},
{
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  "group": 16,
  "featurename": "Multiple synchronous standbys",
  "featuredescription": "Ability to require synch messages from multiple prioritized standbys when committing a synchronous transaction.",
  "v74": 0,
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{
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  "group": 16,
  "featurename": "remote_apply mode",
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},
{
 "model": "featurematrix.feature",
 "pk": 287,
 "fields": {
  "group": 1,
  "featurename": "Frozen page map",
  "featuredescription": "Frozen page data in visibility map to prevent re-vacuuming already-frozen pages during wraparound.",
  "v74": 0,
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},
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  "group": 3,
  "featurename": "KNN support for CUBE",
  "featuredescription": "KNN indexing support for the CUBE module.  Supports n-dimensional nearest neighbor searches.",
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},
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 "model": "featurematrix.feature",
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 "fields": {
  "group": 9,
  "featurename": "Phrase search",
  "featuredescription": "Fulltext search for phrases and word proximity.",
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},
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  "group": 20,
  "featurename": "pg_config system view",
  "featuredescription": "New system view to display information about the PostgreSQL build, storage, and build configuration options.",
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},
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  "group": 16,
  "featurename": "Generic WAL facility",
  "featuredescription": "Consistent, simple API for WAL-logging of database objects, supporting new index access methods and other storage objects.",
  "v74": 0,
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{
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 "fields": {
  "group": 21,
  "featurename": "CREATE EXTENSION .. CASCADE",
  "featuredescription": "Ability to automatically pull in required additional extensions for an extension dependency tree.",
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  "featuredescription": "https://www.postgresql.org/docs/10/static/logical-replication.html",
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  "featurename": "Declarative table partitioning",
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  "group": 6,
  "featurename": "SCRAM-SHA-256 Authentication",
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  "group": 16,
  "featurename": "Quorum commit for synchronous replication",
  "featuredescription": "Using the synchronous_standby_names configuration parameter, synchronous replication can be setup to allow for any number of standbys to confirm writes have been committed, irrespective of their ordering. This is also known as \"quorum commit.\"",
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  "featurename": "Parallel merge joins",
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  "featurename": "WAL support for hash indexes",
  "featuredescription": "Hash indexes have write-ahead log support, which makes them both crash safe and replicable.",
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  "featurename": "Partitioning by a hash key",
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  "group": 1,
  "featurename": "Parallel hash joins",
  "featuredescription": "https://www.postgresql.org/docs/current/parallel-plans.html#PARALLEL-JOINS",
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  "featurename": "Just-in-Time (JIT) compilation for expression evaluation and tuple deforming",
  "featuredescription": "https://www.postgresql.org/docs/current/static/jit.html",
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  "featuredescription": "https://www.postgresql.org/docs/current/sasl-authentication.html#SASL-SCRAM-SHA-256",
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{
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  "group": 5,
  "featurename": "ICU collations",
  "featuredescription": "https://www.postgresql.org/docs/current/static/collation.html#id-1.6.10.4.5.7.5",
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},
{
 "model": "featurematrix.feature",
 "pk": 311,
 "fields": {
  "group": 17,
  "featurename": "Default Partition",
  "featuredescription": "A default partition stores data that does not match the partition key for any other partition, i.e. it is a \"catch all\" partition.",
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},
{
 "model": "featurematrix.feature",
 "pk": 312,
 "fields": {
  "group": 17,
  "featurename": "UPDATE on a partition key",
  "featuredescription": "When a partition key is updated on a row, the row is moved to the appropriate partition.",
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{
 "model": "featurematrix.feature",
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  "group": 13,
  "featurename": "Covering Indexes for B-trees (INCLUDE)",
  "featuredescription": "Allows additional columns to be included in as \"non-key\" columns in an index, and if requirements are met, can return data from these columns in an index-only scan.\r\n\r\nFore more information, please see the documentation on [Index-Only Scans & Covering Indexes](https://www.postgresql.org/docs/current/indexes-index-only-scans.html).",
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},
{
 "model": "featurematrix.feature",
 "pk": 314,
 "fields": {
  "group": 13,
  "featurename": "Covering indexes for GiST (INCLUDE)",
  "featuredescription": "Allows additional columns to be included in as \"non-key\" columns in a GiST index, and if requirements are met, can return data from these columns in an index-only scan.\r\n\r\nFore more information, please see the documentation on [Index-Only Scans & Covering Indexes](https://www.postgresql.org/docs/current/indexes-index-only-scans.html).",
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},
{
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 "pk": 315,
 "fields": {
  "group": 15,
  "featurename": "SQL/JSON path expressions",
  "featuredescription": "https://www.postgresql.org/docs/current/functions-json.html#FUNCTIONS-SQLJSON-PATH",
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},
{
 "model": "featurematrix.feature",
 "pk": 316,
 "fields": {
  "group": 13,
  "featurename": "K-nearest neighbor SP-GiST Support",
  "featuredescription": "Add support for K-nearest neighbor (K-NN) searches on SP-GiST indexes when the distance operator `<->` is defined.",
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{
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 "fields": {
  "group": 1,
  "featurename": "CREATE STATISTICS - multicolumn",
  "featuredescription": "CREATE STATISTICS provides the ability to collect statistics over multiple columns, which can be used by the optimizer to generate better query plans.\r\n\r\nhttps://www.postgresql.org/docs/current/sql-createstatistics.html",
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},
{
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 "pk": 318,
 "fields": {
  "group": 1,
  "featurename": "CREATE STATISTICS - most-common values (MCV) statistics",
  "featuredescription": "CREATE STATISTICS  can collection statistics on the most common value, which can improve optimizations for columns that contain nonuniform distributions.",
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},
{
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 "fields": {
  "group": 17,
  "featurename": "Foreign Key references for partitioned tables",
  "featuredescription": "A foreign key can reference a partitioned table.",
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},
{
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 "fields": {
  "group": 1,
  "featurename": "Accelerated partition pruning",
  "featuredescription": "Performance improvements for queries on tables with thousands of partitions when only a limited subset of partitions need to be accessed.",
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{
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  "featurename": "Inlined WITH Queries (Common Table Expressions)",
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},
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  "featuredescription": "https://www.postgresql.org/docs/current/ddl-generated-columns.html",
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  "featuredescription": "https://www.postgresql.org/docs/12/collation.html#COLLATION-NONDETERMINISTIC",
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  "featurename": "GSSAPI client and server-side encryption",
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  "featurename": "LDAP server discovery",
  "featuredescription": "LDAP servers with DNS SRV can be discovered if PostgreSQL is built with OpenLDAP\r\n\r\nhttps://www.postgresql.org/docs/12/auth-ldap.html",
  "v74": 0,
  "v80": 0,
  "v81": 0,
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},
{
 "model": "featurematrix.feature",
 "pk": 326,
 "fields": {
  "group": 6,
  "featurename": "Multifactor authentication via valid client SSL/TLS certificate",
  "featuredescription": "If an authentication entry in the pg_hba.conf specifies the `clientcert=verify-full`, then the client must present a valid SSL certificate that matches the login name, or the client name based on a map.\r\n\r\n[https://www.postgresql.org/docs/12/ssl-tcp.html#SSL-CLIENT-CERTIFICATES](https://www.postgresql.org/docs/12/ssl-tcp.html#SSL-CLIENT-CERTIFICATES)",
  "v74": 0,
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},
{
 "model": "featurematrix.feature",
 "pk": 327,
 "fields": {
  "group": 14,
  "featurename": "REINDEX CONCURRENTLY",
  "featuredescription": "https://www.postgresql.org/docs/current/sql-reindex.html#SQL-REINDEX-CONCURRENTLY",
  "v74": 0,
  "v80": 0,
  "v81": 0,
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},
{
 "model": "featurematrix.feature",
 "pk": 328,
 "fields": {
  "group": 16,
  "featurename": "Enable/Disable page checksums in an offline cluster",
  "featuredescription": "Page checksums can be enabled or disabled in an offline PostgreSQL cluster via the pg_checksums command:\r\n\r\nhttps://www.postgresql.org/docs/12/app-pgchecksums.html",
  "v74": 0,
  "v80": 0,
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},
{
 "model": "featurematrix.feature",
 "pk": 329,
 "fields": {
  "group": 20,
  "featurename": "Fractional input for \"integer\" values",
  "featuredescription": "Fractional input for \"integer\" server variables is now accepted e.g.\r\n\r\nSET work_mem = '24.2MB'",
  "v74": 0,
  "v80": 0,
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},
{
 "model": "featurematrix.feature",
 "pk": 330,
 "fields": {
  "group": 19,
  "featurename": "COPY FROM ... WHERE",
  "featuredescription": "Specify which rows are loaded from a data source via a WHERE clause when using COPY FROM",
  "v74": 0,
  "v80": 0,
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},
{
 "model": "featurematrix.feature",
 "pk": 331,
 "fields": {
  "group": 14,
  "featurename": "CREATE ACCESS METHOD",
  "featuredescription": "https://www.postgresql.org/docs/12/sql-create-access-method.html",
  "v74": 0,
  "v80": 0,
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},
{
 "model": "featurematrix.feature",
 "pk": 332,
 "fields": {
  "group": 1,
  "featurename": "Partition pruning during query execution",
  "featuredescription": "Queries on partitioned tables can eliminate partitions during query execution time, instead of only at query planning time. This allows PostgreSQL to use information that becomes available during query execution to further prune the number of partitions it needs to use, leading to improved query performance.",
  "v74": 0,
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},
{
 "model": "featurematrix.feature",
 "pk": 333,
 "fields": {
  "group": 13,
  "featurename": "B-tree deduplication",
  "featuredescription": "https://www.postgresql.org/docs/13/btree-implementation.html#BTREE-DEDUPLICATION",
  "v74": 0,
  "v80": 0,
  "v81": 0,
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  "v13": 1
 }
},
{
 "model": "featurematrix.feature",
 "pk": 334,
 "fields": {
  "group": 1,
  "featurename": "Incremental sort",
  "featuredescription": "https://www.postgresql.org/docs/13/runtime-config-query.html#GUC-ENABLE-INCREMENTAL-SORT",
  "v74": 0,
  "v80": 0,
  "v81": 0,
  "v82": 0,
  "v83": 0,
  "v84": 0,
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  "v13": 1
 }
},
{
 "model": "featurematrix.feature",
 "pk": 335,
 "fields": {
  "group": 1,
  "featurename": "CREATE STATISTICS - \"OR\" and \"IN/ANY\" statistics",
  "featuredescription": "Extend statistics can help the query planner provided better plans for queries that have \"OR\".clauses as well as \"IN/ANY\" lookups over lists. For more information, please see https://www.postgresql.org/docs/13/planner-stats.html#PLANNER-STATS-EXTENDED",
  "v74": 0,
  "v80": 0,
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},
{
 "model": "featurematrix.feature",
 "pk": 336,
 "fields": {
  "group": 1,
  "featurename": "Hash aggregation can use disk",
  "featuredescription": "The query planner can now consider using hash aggregation if it expects the aggregate to exceed working memory.\r\n\r\nThis can be controlled by two configuration parameters:\r\n\r\n- [enable_hashagg](https://www.postgresql.org/docs/13/runtime-config-query.html#GUC-ENABLE-HASHAGG)\r\n- [hash_mem_multiplier](https://www.postgresql.org/docs/13/runtime-config-resource.html#GUC-HASH-MEM-MULTIPLIER)",
  "v74": 0,
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},
{
 "model": "featurematrix.feature",
 "pk": 337,
 "fields": {
  "group": 15,
  "featurename": "Recursive Queries",
  "featuredescription": "https://www.postgresql.org/docs/current/queries-with.html",
  "v74": 0,
  "v80": 0,
  "v81": 0,
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},
{
 "model": "featurematrix.feature",
 "pk": 338,
 "fields": {
  "group": 6,
  "featurename": "Client can require SCRAM channel binding",
  "featuredescription": "https://www.postgresql.org/docs/13/libpq-connect.html#LIBPQ-CONNECT-CHANNEL-BINDING",
  "v74": 0,
  "v80": 0,
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},
{
 "model": "featurematrix.feature",
 "pk": 339,
 "fields": {
  "group": 11,
  "featurename": "Certificate authentication with postgres_fdw",
  "featuredescription": "The [postgres_fdw](https://www.postgresql.org/docs/13/postgres-fdw.html) can now use the built-in [certificate authentication](https://www.postgresql.org/docs/current/auth-cert.html) mechanism.\r\n\r\nFor more information, please visit the [postgres_fdw documentation](https://www.postgresql.org/docs/13/postgres-fdw.html#id-1.11.7.42.10)",
  "v74": 0,
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},
{
 "model": "featurematrix.feature",
 "pk": 340,
 "fields": {
  "group": 4,
  "featurename": "Parallelized VACUUM for Indexes",
  "featuredescription": "The VACUUM process can be parallelized for indexes. The number of VACUUM jobs for an index can be specified.\r\n\r\nFor more information, please see the [VACUUM documentation](https://www.postgresql.org/docs/current/sql-vacuum.html)",
  "v74": 0,
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},
{
 "model": "featurematrix.feature",
 "pk": 341,
 "fields": {
  "group": 4,
  "featurename": "Inserted data can trigger autovacuum",
  "featuredescription": "This new behavior reduces the work necessary when the table needs to be frozen and allows pages to be set as all-visible. All-visible pages allow index-only scans to access fewer heap rows.",
  "v74": 0,
  "v80": 0,
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},
{
 "model": "featurematrix.feature",
 "pk": 342,
 "fields": {
  "group": 16,
  "featurename": "Configure max WAL retention for replication slots",
  "featuredescription": "https://www.postgresql.org/docs/13/runtime-config-replication.html#GUC-MAX-SLOT-WAL-KEEP-SIZE",
  "v74": 0,
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},
{
 "model": "featurematrix.feature",
 "pk": 343,
 "fields": {
  "group": 16,
  "featurename": "Verify backup integrity (pg_verifybackup)",
  "featuredescription": "https://www.postgresql.org/docs/13/app-pgverifybackup.html",
  "v74": 0,
  "v80": 0,
  "v81": 0,
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},
{
 "model": "featurematrix.feature",
 "pk": 344,
 "fields": {
  "group": 15,
  "featurename": "FETCH FIRST .. WITH TIES",
  "featuredescription": "https://www.postgresql.org/docs/13/sql-select.html#SQL-LIMIT",
  "v74": 0,
  "v80": 0,
  "v81": 0,
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  "v83": 0,
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},
{
 "model": "featurematrix.feature",
 "pk": 345,
 "fields": {
  "group": 17,
  "featurename": "Logical Replication for Partitioned Tables",
  "featuredescription": "Fully supports logical replication of partitioned tables.",
  "v74": 0,
  "v80": 0,
  "v81": 0,
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  "v83": 0,
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},
{
 "model": "featurematrix.feature",
 "pk": 346,
 "fields": {
  "group": 9,
  "featurename": "SQL/JSON: datetime()",
  "featuredescription": "The SQL/JSON path `datetime()` function in JSON path expressions converts valid date and time formats (e.g. ISO 8601) to their corresponding PostgreSQL type.\r\n\r\nFor more information, see the [JSON path documentation](https://www.postgresql.org/docs/13/functions-json.html#FUNCTIONS-SQLJSON-OP-TABLE)",
  "v74": 0,
  "v80": 0,
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  "v13": 1
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},
{
 "model": "featurematrix.feature",
 "pk": 347,
 "fields": {
  "group": 21,
  "featurename": "Trusted Extensions",
  "featuredescription": "Extensions that are marked as \"trusted\" by a superuser can subsequently be installed via `CREATE EXTENSION` by unprivileged users. Some functions are marked as \"trusted\" by default.\r\n\r\nFor more information, please see the [`CREATE EXTENSION`](https://www.postgresql.org/docs/current/sql-createextension.html) documentation.",
  "v74": 0,
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  "v13": 1
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},
{
 "model": "featurematrix.feature",
 "pk": 348,
 "fields": {
  "group": 4,
  "featurename": "EXPLAIN (WAL) support",
  "featuredescription": "[EXPLAIN](https://www.postgresql.org/docs/13/sql-explain.html) can now track WAL usage information along with [auto_explain](https://www.postgresql.org/docs/13/auto-explain.html), [autovacuum](https://www.postgresql.org/docs/13/routine-vacuuming.html#AUTOVACUUM), and [pg_stat_statements](https://www.postgresql.org/docs/13/pgstatstatements.html).\r\n\r\nFor more information, please see the documentation on [EXPLAIN](https://www.postgresql.org/docs/13/sql-explain.html).",
  "v74": 0,
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