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53 Commits (99e546152212377b211ac6fdd9b2e5a59ebaf616)

Author SHA1 Message Date
Jack Christensen 99e5461522 Add pgx.Tx interface and pseudo nested transaction support 
This complicates the idea of a persistent transaction status and error
so that concept was removed.
 2019-08-17 17:22:14 -05:00
Jack Christensen 64b4414efc Remove unused exported error value 2019-08-17 15:56:36 -05:00
Jack Christensen c3e41872a8 Resplit Begin and BeginEx 
This is in preparation for a Begin / Tx interface that will similate
nested transactions with savepoints.

In addition, this passes the TxOptions struct by value and thereby
removes an allocation.
 2019-08-17 15:53:55 -05:00
Jack Christensen d93de3fdc7 Add CopyFrom to pool 2019-04-25 15:35:53 -05:00
Jack Christensen 7b1272d254 Add SendBatch to pool 2019-04-25 15:07:35 -05:00
Jack Christensen aed6b822d9 Split batch command and result 2019-04-24 16:39:06 -05:00
Jack Christensen 187157e773 Remove unused Batch.inTx 2019-04-24 13:43:37 -05:00
Jack Christensen 2263521f70 Only have a single Begin transaction method 2019-04-24 13:35:27 -05:00
Jack Christensen cc3461e65d Use golang.org/x/xerrors 2019-04-20 17:43:44 -05:00
Jack Christensen 66625e6489 Prepare takes context 
Also remove PrepareEx. It's primary usage was for context. Supplying
parameter OIDs is unnecessary when you can type cast in the query SQL.
If it does become necessary or desirable to add options back it can be
added in a backwards compatible way by adding a varargs as last
argument.
 2019-04-20 11:47:16 -05:00
Jack Christensen dc699cefc7 Conn.CopyFrom takes context 2019-04-20 11:38:23 -05:00
Jack Christensen c53c9e6eb5 Remove simple protocol and one round trip query options 
It is impossible to guarantee that the a query executed with the simple
protocol will behave the same as with the extended protocol. This is
because the normal pgx path relies on knowing the OID of query
parameters. Without this encoding a value can only be determined by the
value instead of the combination of value and PostgreSQL type. For
example, how should a []int32 be encoded? It might be encoded into a
PostgreSQL int4[] or json.

Removal also simplifies the core query path.

The primary reason for the simple protocol is for servers like PgBouncer
that may not be able to support normal prepared statements. After
further research it appears that issuing a "flush" instead "sync" after
preparing the unnamed statement would allow PgBouncer to work.

The one round trip mode can be better handled with prepared statements.

As a last resort, all original server functionality can still be accessed by
dropping down to PgConn.
 2019-04-13 11:39:01 -05:00
Jack Christensen 938ee9f434 Rows and Row are now interfaces 2019-04-11 17:58:16 -05:00
Jack Christensen 54c6ddc2f0 Commit and Rollback take context 
Remove Ex versions.
 2019-04-10 12:22:12 -05:00
Jack Christensen 7718ee6207 Remove Ex versions of Query and QueryRow 
Always require context and prepend options to arguments if necessary.
 2019-04-10 12:12:22 -05:00
Jack Christensen 77a2da2b46 Replace connection pool 2019-04-10 11:09:42 -05:00
Jack Christensen 858d00788a Use extracted packages with Go modules 2019-04-05 10:59:47 -05:00
Jack Christensen d3a2c1c107 Partial conversion of pgx to use pgconn 2019-01-26 16:46:30 -06:00
Jack Christensen e78fd95296 Fix switching CommandTag back to string 2019-01-05 18:53:07 -06:00
Jack Christensen 89c3d8af5d Remove ExecEx 2019-01-02 12:52:37 -06:00
Jack Christensen 7f9540438c pgx uses pgconn.CommandTag instead of own definition 2019-01-01 16:55:48 -06:00
Jack Christensen b63370e5d5 Rename base.Conn to base.PgConn 
- pgx.Conn embeds base.PgConn privately
- Add pgx.Conn.ParameterStatus
 2018-12-28 12:16:50 -06:00
Jack Christensen 25f21a597c Merge branch 'nvorobev-rows-affected-for-copyto-copyfrom' into v4-experimental 2018-12-15 17:26:48 -06:00
Nikolay Vorobev a0331e7409 Adds RowsAffected for CopyToWriter and CopyFromReader 2018-12-13 12:54:42 +03:00
Jack Christensen 2e72ca854a First extraction of base.Conn 2018-11-10 18:48:43 -06:00
Valery Krivchikov c844a2402b Call context.WithTimeout cancel function 2018-09-15 13:23:09 +03:00
Murat Kabilov 4e9a696434 addressing the comments 
add copy methods to the Tx struct
 2018-08-07 23:44:02 +03:00
Jack Christensen f42b0f65fc Commit and rollbase need not check for failure state 2018-05-12 19:59:12 -05:00
Jack Christensen f114ec85a1 Allow recovery from failed transaction 
rollback to savepoint can recover a failed transaction. Therefore we
shouldn't block any activities while the transaction is broken. Instead
we only have the Tx.Status() method return the information.

refs #421
 2018-05-12 19:53:53 -05:00
Jack Christensen e096a14b3e Return proper error in Tx.CopyFrom when tx has failed 2018-05-12 10:33:42 -05:00
Jack Christensen 7181a0b52c Use Tx.Status() internally catch failed transactions 2018-05-12 10:32:12 -05:00
Jack Christensen 6f1c5cc3e6 Tx.Status handles in transaction error 
refs #421
 2018-05-12 10:26:25 -05:00
Jack Christensen 90ee7b66c1 Add QueryEx, QueryRowEx, ExecEx, and RollbackEx to Tx 
fixes #303
 2017-08-18 14:17:53 -05:00
Jack Christensen 8f4178b3d3 Use github.com/pkg/errors 2017-06-04 21:30:03 -05:00
Jack Christensen e896e8c311 Extract TxOptions beginSQL 2017-05-29 19:15:16 -05:00
Jack Christensen 8a7165dd98 Add ctx to PrepareEx 
Remove PrepareExContext
 2017-05-20 18:03:59 -05:00
Jack Christensen d1fd222ca5 Add transaction context support 2017-05-20 17:58:19 -05:00
Jack Christensen 2a49569747 Remove AfterClose() and Conn() from Tx and Rows 2017-05-06 10:00:49 -05:00
Jack Christensen 94749e580f Remove CopyTo 2017-03-17 14:18:25 -05:00
Jack Christensen 430d4943c7 Replace BeginIso with BeginEx 
Adds support for read/write mode and deferrable modes.
 2016-12-31 11:48:45 -06:00
Jack Christensen 5f7d01778e Add CopyTo to support PostgreSQL copy protocol 
fixes #102
 2016-08-10 16:27:44 -05:00
Jack Christensen 40f00f4a82 Pass PrepareEx opts as pointer and DRY implementation 2016-05-20 08:30:10 -05:00
Jack Christensen b06560aa03 Rename Preparex to PrepareEx 2016-05-20 08:14:56 -05:00
William King a0d005a993 Doc update 2016-05-18 15:08:09 -07:00
William King 682e688c5b Tx prepare/preparex 2016-05-18 15:05:32 -07:00
Jack Christensen 04e9fbcc55 Fix some golint errors 
- Add comments
- Rename variables
- Remove unnecessary "else"
 2016-03-29 15:18:09 -05:00
Jack Christensen b8486d6749 Fix Tx.status not being set on error on Commit 
fixes #131
 2016-03-24 15:11:04 -05:00
Jack Christensen 74b33db979 Fix unrecognized commit failure 
Also add *Tx.Status() and *Tx.Err()
 2016-02-13 12:47:06 -06:00
Jack Christensen 593ab9fde2 Add *Tx.Conn getter method 2016-02-13 11:07:20 -06:00
Jack Christensen e8dcf5b3ac Add *Tx.AfterClose hook 
ConnPool now implements its connection with Tx via this hook instead of
manipulating the internals of Tx.
 2016-02-13 11:06:44 -06:00