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Author SHA1 Message Date
Evan Jones 0292edecb0 pgx.Conn: Fix memory leak: Delete items from preparedStatements 
Previously, items were never removed from the preparedStatements map.
This means workloads that send a large number of unique queries could
run out of memory. Delete items from the map when sending the
deallocate command to Postgres. Add a test to verify this works.

Fixes https://github.com/jackc/pgx/issues/1456
 2023-05-20 08:06:37 -05:00
Jack Christensen 09371981f9 Fix pipeline batch results not closing pipeline 
when error occurs while reading directly from results instead of using
a callback.

https://github.com/jackc/pgx/issues/1578
 2023-04-20 20:58:04 -05:00
Jack Christensen 67f2a41587 Fix scanning a table type into a struct 
Table types have system / hidden columns like tableoid, cmax, xmax, etc.
These are not included when sending or receiving composite types.

https://github.com/jackc/pgx/issues/1576
 2023-04-20 20:13:37 -05:00
Felix Röhrich fa5fbed497 add filter for dropped attributes in getCompositeType 2023-02-07 08:45:56 -06:00
Alexey Palazhchenko f581584148 Use Go 1.19's lists for proper formatting 2023-01-23 19:54:30 -06:00
Alejandro Do Nascimento Mora c4ac6d810f Use DefaultQueryExecMode in CopyFrom 
CopyFrom had to create a prepared statement to get the OIDs of the data
types that were going to be copied into the table. Every COPY operation
required an extra round trips to retrieve the type information. There
was no way to customize this behavior.

By leveraging the QueryExecMode feature, like in `Conn.Query`, users can
specify if they want to cache the prepared statements, execute
them on every request (like the old behavior), or bypass the prepared
statement relying on the pgtype.Map to get the type information.

The `QueryExecMode` behave exactly like in `Conn.Query` in the way the
data type OIDs are fetched, meaning that:

- `QueryExecModeCacheStatement`: caches the statement.
- `QueryExecModeCacheDescribe`: caches the statement and assumes they do
  not change.
- `QueryExecModeDescribeExec`: gets the statement description on every
  execution. This is like to the old behavior of `CopyFrom`.
- `QueryExecModeExec` and `QueryExecModeSimpleProtocol`: maintain the
  same behavior as before, which is the same as `QueryExecModeDescribeExec`.
  It will keep getting the statement description on every execution

The `QueryExecMode` can only be set via
`ConnConfig.DefaultQueryExecMode`, unlike `Conn.Query` there's no
support for specifying the `QueryExecMode` via optional arguments
in the function signature.
 2022-12-23 13:22:26 -06:00
Yevgeny Pats 11fa083a0d fix: Improve errors in batch modes 2022-12-20 19:33:46 -06:00
Vitalii Solodilov 8e2de2fefa Conn.LoadType supports range and multirange types (#1393) 
Closes #1393
 2022-12-01 19:33:33 -06:00
Bodo Kaiser 56633b3d51 removed unnecessary name argument from DeallocateAll 2022-11-17 19:41:18 -06:00
Bodo Kaiser 3520c2ea43 updated DeallocateAll to also reset client-side statement and description cache 2022-11-12 10:57:31 -06:00
Bodo Kaiser c94c47f584 added DeallocateAll to pgx.Conn to clear prepared statement cache 2022-11-12 10:57:31 -06:00
Jack Christensen 5b6fb75669 Conn.LoadType supports domain types 
If the underlying type is registered then use the same Codec.

fixes https://github.com/jackc/pgx/issues/1373
 2022-11-12 08:11:37 -06:00
Jack Christensen 6f90866f58 Expose underlying pgconn GetSSLPassword support to pgx 
pgconn supports a GetSSLPassword function but the pgx connection
functions did not expose a means of using it.

See PR #1233 for more context.
 2022-11-03 20:09:52 -05:00
Jack Christensen 7d3b9c1e44 QueryRewriter.RewriteQuery now returns an error 
https://github.com/jackc/pgx/issues/1186#issuecomment-1288207250
 2022-10-29 09:33:13 -05:00
Jack Christensen 1819959d07 Merge branch 'master' into v5-dev 2022-08-06 06:41:33 -05:00
Jack Christensen f3e04b28cc Go 1.19 go fmt 2022-08-06 06:20:50 -05:00
Jack Christensen 9a61fc250f Recommend CollectRows in ConnQuery docs 2022-07-23 08:31:37 -05:00
Jack Christensen 178a84261f Improve Query docs 2022-07-23 07:53:02 -05:00
Jack Christensen 29254180ca Add callback functions to queued queries 
Improve batch query ergonomics by allowing the code to handle the
results of a query to be right next to the query.
 2022-07-16 17:46:47 -05:00
Jack Christensen 78875bb95a Add tracing support 
Replaces existing logging support. Package tracelog provides adapter for
old style logging.

https://github.com/jackc/pgx/issues/1061
 2022-07-16 12:27:10 -05:00
Jack Christensen 9201cc0341 ConnectConfig copies config 2022-07-16 08:58:43 -05:00
Jack Christensen 786de2bda8 Use correct cache 2022-07-11 20:42:55 -05:00
Jack Christensen 90c2dc6f68 Rename ForEachScannedRow to ForEachRow 2022-07-09 16:47:28 -05:00
Jack Christensen c31b89a3f2 Delay handling invalidated statements when in transaction 2022-07-09 10:20:54 -05:00
Jack Christensen e7aa76ccf9 SendBatch now uses pipeline mode to prepare and describe statements 
Previously, a batch with 10 unique parameterized statements executed
100 times would entail 11 network round trips. 1 for each prepare /
describe and 1 for executing them all. Now pipeline mode is used to
prepare / describe all statements in a single network round trip. So it
would only take 2 round trips.
 2022-07-09 09:32:36 -05:00
Jack Christensen 76946fb5a3 Replace QueryFunc with ForEachScannedRow 2022-07-07 20:29:04 -05:00
Jack Christensen 1168b375e4 Expose pgx functionality for manual integration with pgconn 
This is primarily useful for using pipeline mode.
 2022-07-04 13:29:49 -05:00
Stepan Rabotkin 4099b447b9 feat: add batch logging 2022-05-12 19:05:08 -05:00
Jack Christensen a89a400b69 Fix documentation for Rows.RawValues and test new behavior 2022-04-30 08:27:57 -05:00
Jack Christensen e8f81bb7de Merge branch 'master' into v5-dev 
Rewrite fix for https://github.com/jackc/pgx/issues/1196 for pgx v5.
 2022-04-28 08:06:34 -05:00
Jack Christensen 7ceeea6fe6 Fix explicitly prepared statements with describe statement cache mode 
fixes https://github.com/jackc/pgx/issues/1196
 2022-04-28 07:58:24 -05:00
Jack Christensen 107196ab0c Add NamedArgs 
https://github.com/jackc/pgx/issues/1186
https://github.com/jackc/pgx/issues/387
 2022-04-23 18:45:38 -05:00
Jack Christensen b72b0daa5a Add QueryRewriter interface 2022-04-23 17:26:42 -05:00
Jack Christensen 1f4b34f932 Merge branch 'master' into v5-dev 2022-04-23 11:05:24 -05:00
Jack Christensen 097b6aacb7 Add time to logging failed Exec 
fixes #1189
 2022-04-21 19:26:25 -05:00
Jack Christensen f14fb3d692 Replace interface{} with any 2022-04-09 09:12:55 -05:00
Jack Christensen ee93440ac1 pgtype uses pgxtest 
Added ValueRoundTripTest to pgxtest
Removed pgtype/testutil

pgtype tests now run with all (applicable) query modes. This gives
better coverage than before and revealed several bugs which are also
fixed in this commit.
 2022-04-02 14:34:19 -05:00
Jack Christensen 500c0721d7 Improve error messages for query argument encoding 2022-04-01 18:00:25 -05:00
Jack Christensen 72b72b9ae9 Remove dead code 2022-03-12 15:07:32 -06:00
Jack Christensen cb721dfb5b SendBatch supports default QueryExecMode 2022-03-12 15:06:13 -06:00
Jack Christensen 1390a11fe2 Query supports QueryExecMode 
Fixed QueryExecModeExec as it must only use text format without
specifying param OIDs.
 2022-03-12 14:15:39 -06:00
Jack Christensen 46966227bc Enable all QueryExecModes for exec path 2022-03-12 10:04:02 -06:00
Jack Christensen 8e341e20f3 Remove ConnConfig.BuildStatementCache 2022-03-12 09:23:40 -06:00
Jack Christensen f27178ba85 Initial privatization of stmtcache 
ConnConfig.BuildStatementCache is pending removal once connections
always have separate caches for prepared and described statements.
 2022-03-12 08:35:31 -06:00
Jack Christensen fe21cc7486 Use Map.Encode path for simple protocol 2022-03-05 21:40:49 -06:00
Jack Christensen c4b08378f2 Handle driver.Valuers inside Map.Encode 2022-03-05 21:27:17 -06:00
Jack Christensen 1cef9075d9 Simply typed nil and driver.Valuer handling 
* Convert typed nils to untyped nils at beginning of encoding process.
* Restore v4 json/jsonb null behavior
* Add anynil internal package
 2022-03-05 19:53:59 -06:00
Jack Christensen 0d8e109c21 Test every QueryExecMode 2022-03-05 14:04:51 -06:00
Jack Christensen aad3d65e16 Initial restructure of simple protocol to query exec mode 2022-03-05 10:27:15 -06:00
Jack Christensen 95cbbfe441 Import pgproto3 
Also copy in pgmock as an internal package.
 2022-02-21 13:22:42 -06:00