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2020-07-16[release-branch.go1.13] database/sql: backport 5 Tx rollback related CLsEmmanuel T Odeke
Manually backported the subject CLs, because of lack of Gerrit "forge-author" permissions, but also because the prior cherry picks didn't apply cleanly, due to a tight relation chain. The backport comprises of: * CL 174122 * CL 216197 * CL 223963 * CL 216240 * CL 216241 Note: Due to the restrictions that we cannot retroactively introduce API changes to Go1.13.13 that weren't in Go1.13, the Conn.Validator interface (from CL 174122, CL 223963) isn't exposed, and drivers will just be inspected, for if they have an IsValid() bool method implemented. For a description of the content of each CL: * CL 174122: database/sql: process all Session Resets synchronously Adds a new interface, driver.ConnectionValidator, to allow drivers to signal they should not be used again, separatly from the session resetter interface. This is done now that the session reset is done after the connection is put into the connection pool. Previous behavior attempted to run Session Resets in a background worker. This implementation had two problems: untested performance gains for additional complexity, and failures when the pool size exceeded the connection reset channel buffer size. * CL 216197: database/sql: check conn expiry when returning to pool, not when handing it out With the original connection reuse strategy, it was possible that when a new connection was requested, the pool would wait for an an existing connection to return for re-use in a full connection pool, and then it would check if the returned connection was expired. If the returned connection expired while awaiting re-use, it would return an error to the location requestiong the new connection. The existing call sites requesting a new connection was often the last attempt at returning a connection for a query. This would then result in a failed query. This change ensures that we perform the expiry check right before a connection is inserted back in to the connection pool for while requesting a new connection. If requesting a new connection it will no longer fail due to the connection expiring. * CL 216240: database/sql: prevent Tx statement from committing after rollback It was possible for a Tx that was aborted for rollback asynchronously to execute a query after the rollback had completed on the database, which often would auto commit the query outside of the transaction. By W-locking the tx.closemu prior to issuing the rollback connection it ensures any Tx query either fails or finishes on the Tx, and never after the Tx has rolled back. * CL 216241: database/sql: on Tx rollback, retain connection if driver can reset session Previously the Tx would drop the connection after rolling back from a context cancel. Now if the driver can reset the session, keep the connection. * CL 223963 database/sql: add test for Conn.Validator interface This addresses comments made by Russ after https://golang.org/cl/174122 was merged. It addes a test for the connection validator and renames the interface to just "Validator". Updates #31480 Updates #32530 Updates #32942 Updates #34775 Fixes #40205 Change-Id: I6d7307180b0db0bf159130d91161764cf0f18b58 Reviewed-on: https://go-review.googlesource.com/c/go/+/242522 Run-TryBot: Emmanuel Odeke <emm.odeke@gmail.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Daniel Theophanes <kardianos@gmail.com>
2019-06-13database/sql: add support for decimal interfaceDaniel Theophanes
Add support for scanning decimal types into values. If the dest supports the decimal composer interface and the src supports the decimal decomposer, set the value of the decimal when Scanning. Add support for sending decimal decomposer interface values as parameters. For #30870 Change-Id: Ic5dbf9069df8d56405852b17542a9188d55c2947 Reviewed-on: https://go-review.googlesource.com/c/go/+/174181 Run-TryBot: Daniel Theophanes <kardianos@gmail.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Ian Lance Taylor <iant@golang.org>
2019-06-13database/sql: add Conn.Raw to expose the driver Conn safelyDaniel Theophanes
Exposing the underlying driver conn will allow the use of the standard connection pool while still able to run special function directly on the driver. Fixes #29835 Change-Id: Ib6d3b9535e730f008916805ae3bf76e4494c88f9 Reviewed-on: https://go-review.googlesource.com/c/go/+/174182 Run-TryBot: Daniel Theophanes <kardianos@gmail.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Ian Lance Taylor <iant@golang.org>
2019-06-13database/sql/driver: document Valuer must not panicDaniel Theophanes
While it is possible for the connection pool to guard against panics on every valuer read, this seems like a high cost to be added, in both code complexity and possible runtime performance. Most uses of the Valuer will be trivial, like returning a struct field. Optimize for that case. If sometime may panic the valuer should itself use recover and return an error. Fixes #26332 Change-Id: Iad18780b8028f669f5a7841b74a5384d62fb6a7e Reviewed-on: https://go-review.googlesource.com/c/go/+/170700 Reviewed-by: Ian Lance Taylor <iant@golang.org>
2019-05-14database/sql: fix subject of unexported func commentBrad Fitzpatrick
Change-Id: I5db429c86e01b55ec3abc6ab4ca11c221b27f189 Reviewed-on: https://go-review.googlesource.com/c/go/+/177039 Reviewed-by: Daniel Theophanes <kardianos@gmail.com>
2019-05-06all: simplify code using "gofmt -s -w"Shulhan
Most changes are removing redundant declaration of type when direct instantiating value of map or slice, e.g. []T{T{}} become []T{{}}. Small changes are removing the high order of subslice if its value is the length of slice itself, e.g. T[:len(T)] become T[:]. The following file is excluded due to incompatibility with go1.4, - src/cmd/compile/internal/gc/ssa.go Change-Id: Id3abb09401795ce1e6da591a89749cba8502fb26 Reviewed-on: https://go-review.googlesource.com/c/go/+/166437 Run-TryBot: Dave Cheney <dave@cheney.net> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Ian Lance Taylor <iant@golang.org>
2019-04-26database/sql: add NullInt32Daniel Theophanes
It is common for database integers to be represented as int32 internally. Although NullInt64 is already defined, this should remove some type casts and make working with those eaiser. For #31231 Change-Id: Ia0c37ecef035fee0734c1d1fb6f58aef6905cf5e Reviewed-on: https://go-review.googlesource.com/c/go/+/174178 Run-TryBot: Daniel Theophanes <kardianos@gmail.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
2019-04-26database/sql: check if src is nil before converting to stringDaniel Theophanes
A nil src (NULL database value) will result in a "nil" string, which will never parse correctly in a ParseInt or similar numeric conversion. The resulting error is confusing. Check for a nil src prior to converting the value to string if the resulting string will be parsed after that. Closes #31274 Change-Id: I90f12cceff00fbbfdd3e343b04fa7e2596390e6d Reviewed-on: https://go-review.googlesource.com/c/go/+/174177 Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org> Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org>
2019-04-16all: s/cancelation/cancellation/Josh Bleecher Snyder
Though there is variation in the spelling of canceled, cancellation is always spelled with a double l. Reference: https://www.grammarly.com/blog/canceled-vs-cancelled/ Change-Id: I240f1a297776c8e27e74f3eca566d2bc4c856f2f Reviewed-on: https://go-review.googlesource.com/c/go/+/170060 Run-TryBot: Josh Bleecher Snyder <josharian@gmail.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
2019-04-05database/sql: add NullTimeDaniel Theophanes
This matches NullBool, NullFloat64, and NullInt64. Fixes #30305 Change-Id: I79bfcf04a3d43b965d2a3159b0ac22f3e8084a53 Reviewed-on: https://go-review.googlesource.com/c/go/+/170699 Run-TryBot: Daniel Theophanes <kardianos@gmail.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
2019-03-25database/sql: add example for DB.Prepare and Tx.PrepareHasan Ozgan
Change-Id: Ib9272a7713ed7aaf8ad54c4827be8c095763e648 Reviewed-on: https://go-review.googlesource.com/c/go/+/161677 Reviewed-by: Daniel Theophanes <kardianos@gmail.com> Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org>
2019-03-07database/sql: fix comment grammarAndrei Matei
Change-Id: I92d8c93967c5ec57f07151affd0041f00e405057 GitHub-Last-Rev: 2dea977d938a504604aed6a9ae87986001f96acd GitHub-Pull-Request: golang/go#30551 Reviewed-on: https://go-review.googlesource.com/c/go/+/164970 Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
2019-02-15database/sql/driver: fix typoZhou Peng
Change-Id: I6e7035db4b3e2a09e5655eb7646eea9d99fb7118 Reviewed-on: https://go-review.googlesource.com/c/162917 Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
2019-02-08database/sql: document Stmt lifetimeJustin Li
When prepared on a DB, prepared statement code in database/sql handles everything to keep the prepared statement alive as it moves across the connection pool. Understanding this is an important part of using this API correctly, but it was only documented indirectly via `(*Tx) Prepare*`. Change-Id: Ic8757e0150d59e675d9f0252f6c15aef2cc2e831 GitHub-Last-Rev: 55dba87458542cb631baac80aeea0c3607d8f421 GitHub-Pull-Request: golang/go#29890 Reviewed-on: https://go-review.googlesource.com/c/159077 Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org> Reviewed-by: Daniel Theophanes <kardianos@gmail.com>
2019-01-14database/sql: fix logic for pulling a Conn from DBDaniel Theophanes
The logic for pulling a database connection from the DB pool should proceed as follows: attempt to pull either a cached connection or new connection N times in a loop. If each connection results in a bad connection, then create a new connection (no cache). Previously pulling a Conn from the pool, the last step also looked at the cache, rather then always creating a new connection. Fixes #29684 Change-Id: I8f436fd9b96eb35502a620ebe8da4ab89fb06a2e Reviewed-on: https://go-review.googlesource.com/c/157637 Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org> Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org>
2018-12-02all: use "reports whether" consistently instead of "returns whether"Tobias Klauser
Follow-up for CL 147037 and after Brad noticed the "returns whether" pattern during the review of CL 150621. Go documentation style for boolean funcs is to say: // Foo reports whether ... func Foo() bool (rather than "returns whether") Created with: $ perl -i -npe 's/returns whether/reports whether/' $(git grep -l "returns whether" | grep -v vendor) Change-Id: I15fe9ff99180ad97750cd05a10eceafdb12dc0b4 Reviewed-on: https://go-review.googlesource.com/c/150918 Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com> Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
2018-11-16database/sql: add examples for opening and testing a DB poolDaniel Theophanes
Show two larger application examples. One example that could be used in a CLI, the other in a long running service. These demonstarates different strategies for handling DB.Ping errors in context. Fixes #23738 Change-Id: Id01213caf1f47917239a7506b01d30e37db74d31 Reviewed-on: https://go-review.googlesource.com/c/101216 Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
2018-11-08database/sql: add support for returning cursors to clientDaniel Theophanes
This CL add support for converting a returned cursor (presented to this package as a driver.Rows) and scanning it into a *Rows. Fixes #28515 Change-Id: Id8191c568dc135af9e5e8555efcd01987708edcb Reviewed-on: https://go-review.googlesource.com/c/145738 Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
2018-11-02all: use "reports whether" consistently in the few places that didn'tBrad Fitzpatrick
Go documentation style for boolean funcs is to say: // Foo reports whether ... func Foo() bool (rather than "returns true if") This CL also replaces 4 uses of "iff" with the same "reports whether" wording, which doesn't lose any meaning, and will prevent people from sending typo fixes when they don't realize it's "if and only if". In the past I think we've had the typo CLs updated to just say "reports whether". So do them all at once. (Inspired by the addition of another "returns true if" in CL 146938 in fd_plan9.go) Created with: $ perl -i -npe 's/returns true if/reports whether/' $(git grep -l "returns true iff" | grep -v vendor) $ perl -i -npe 's/returns true if/reports whether/' $(git grep -l "returns true if" | grep -v vendor) Change-Id: Ided502237f5ab0d25cb625dbab12529c361a8b9f Reviewed-on: https://go-review.googlesource.com/c/147037 Reviewed-by: Ian Lance Taylor <iant@golang.org>
2018-11-02database/sql: add description to String method of IsolationLevel struct.Vladimir Kovpak
Add simple description to String method of IsolationLevel struct. Change-Id: I8bdf829c81d4895b8542a3f21437bed61c6e925d GitHub-Last-Rev: 7e16d6a93a9560cf3a09413dfc47d0cb04bb2fde GitHub-Pull-Request: golang/go#28560 Reviewed-on: https://go-review.googlesource.com/c/147040 Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
2018-10-29database/sql: prefer to return Rows.lasterr rather then a static errorDaniel Theophanes
Fixes #25829 Change-Id: I400fdaf0ef3a23bc0d61c4873ffa298e0cf0fc6a Reviewed-on: https://go-review.googlesource.com/c/145204 Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
2018-10-17database/sql: remove commented debug printsUmang Parmar
Fixes #28234 Change-Id: I89090ffb8285c4936b0c9b5c2475849c0643186a GitHub-Last-Rev: 4dd0ec162d0ce1548045d4119fd3295570f65d85 GitHub-Pull-Request: golang/go#28246 Reviewed-on: https://go-review.googlesource.com/c/142877 Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
2018-10-08all: fix a bunch of misspellingsIgor Zhilianin
Change-Id: I94cebca86706e072fbe3be782d3edbe0e22b9432 GitHub-Last-Rev: 8e15a40545704fb21b41a8768079f2da19341ef3 GitHub-Pull-Request: golang/go#28067 Reviewed-on: https://go-review.googlesource.com/c/140437 Run-TryBot: Ian Lance Taylor <iant@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Ian Lance Taylor <iant@golang.org>
2018-10-06all: fix a bunch of misspellingsIgor Zhilianin
Change-Id: If2954bdfc551515403706b2cd0dde94e45936e08 GitHub-Last-Rev: d4cfc41a5504cf10befefdb881d4c45986a1d1f8 GitHub-Pull-Request: golang/go#28049 Reviewed-on: https://go-review.googlesource.com/c/140299 Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org> Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org>
2018-10-03database/sql: improve unimplemented LastInsertId error messageTim
The old one was rather confusing - it makes it sound like the user has done something wrong. Change-Id: Ibc7411f4f1d5f6c66fbcaac64bb05b0743354418 GitHub-Last-Rev: 09290accddb23848ee80d641e4f2bcf6ef686e01 GitHub-Pull-Request: golang/go#27979 Reviewed-on: https://go-review.googlesource.com/c/139102 Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org> Reviewed-by: Daniel Theophanes <kardianos@gmail.com> Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org>
2018-10-02database/sql: correctly report MaxIdleClosed statDaniel Theophanes
Previously the MaxIdleClosed counter was incremented when added to the free connection list, rather then when it wasn't added to the free connection list. Flip this logic to correct. Fixes #27792 Change-Id: I405302c14fb985369dab48fbe845e5651afc4ccf Reviewed-on: https://go-review.googlesource.com/c/138578 Run-TryBot: Daniel Theophanes <kardianos@gmail.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
2018-09-03database/sql: fix Rows.Columns() documentationAlexey Palazhchenko
Fixes #27202 Change-Id: I83620748a81500e433795c7b2b7f13399d17f777 GitHub-Last-Rev: 64457e12ceaa408efc7f75091f1b30c35b8e5d44 GitHub-Pull-Request: golang/go#27472 Reviewed-on: https://go-review.googlesource.com/133057 Reviewed-by: Daniel Theophanes <kardianos@gmail.com>
2018-08-03database/sql: fix driverStmt.Close() comment typoFrédéric Guillot
Change-Id: I2256c850e071882b00c362da03abc8b021c1ec2a Reviewed-on: https://go-review.googlesource.com/126015 Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
2018-06-06database/sql: update doc related to per-connection stateEugene Kalinin
Fixes #25330 Change-Id: I41b5b3459ed7808d18112ec02d734e2268099a81 Reviewed-on: https://go-review.googlesource.com/116596 Reviewed-by: Daniel Theophanes <kardianos@gmail.com>
2018-05-11database/sql: add note to Scanner that the database owns valuesDaniel Theophanes
It was unclear that users must copy values out of the src value for value types like []byte. Fixes #24492 Change-Id: I99ad61e0ad0075b9efc5ee4e0d067f752f91b8fa Reviewed-on: https://go-review.googlesource.com/108535 Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
2018-05-11database/sql: add additional Stats to DBStatsDaniel Theophanes
Provide better statistics for the database pool. Add counters for waiting on the pool and closes. Too much waiting or too many connection closes could indicate a problem. Fixes #24683 Fixes #22138 Change-Id: I9e1e32a0487edf41c566b8d9c07cb55e04078fec Reviewed-on: https://go-review.googlesource.com/108536 Run-TryBot: Daniel Theophanes <kardianos@gmail.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
2018-05-10database/sql: check for nil connRequest.conn before useDaniel Theophanes
The connRequest may return a nil conn value. However in a rare case that is difficult to test for it was being passed to DB.putConn without a nil check. This was an error as this made no sense if the driverConn is nil. This also caused a panic in putConn. A test for this would be nice, but didn't find a sane way to test for this condition. Fixes #24445 Change-Id: I827316e856788a5a3ced913f129bb5869b7bcf68 Reviewed-on: https://go-review.googlesource.com/102477 Run-TryBot: Daniel Theophanes <kardianos@gmail.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Alexey Palazhchenko <alexey.palazhchenko@gmail.com> Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
2018-05-05database/sql: make error prefixes consistentDaniel Theophanes
Ensure all error prefixes in the "database/sql" package start with "sql: ". Do not prefix errors for type conversions because they are always embedded in another error message with a specific context. Fixes #25251 Change-Id: I349d9804f3bfda4eeb755b32b508ec5992c28e07 Reviewed-on: https://go-review.googlesource.com/111637 Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
2018-05-01database/sql: trivial documentation fixesAlexey Palazhchenko
Change-Id: I573172384eaf32daaca5021a9a1874bf0f3d340f Reviewed-on: https://go-review.googlesource.com/110575 Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
2018-04-19database/sql: remove unnecessary else conditionsweeellz
Fixes golint warning about "if block ends with a return statement, so drop this else and outdent its block". Change-Id: Iac4fd324e04e3e3fe3e3933f5e59095041d292c5 Reviewed-on: https://go-review.googlesource.com/107115 Reviewed-by: Daniel Martí <mvdan@mvdan.cc> Reviewed-by: Daniel Theophanes <kardianos@gmail.com> Run-TryBot: Daniel Martí <mvdan@mvdan.cc> TryBot-Result: Gobot Gobot <gobot@golang.org>
2018-04-12database/sql: remove a couple redundanciesdchenk
This commit includes efficiency improvements in two places in the database/sql package where an "if err != nil" was redundant and the error can be returned as-is (most of the code in the standard library and even in the file I changed does it my suggested way). Change-Id: Ib9dac69ed01ee846e570a776164cb87c2caee6ca Reviewed-on: https://go-review.googlesource.com/106555 Reviewed-by: Daniel Theophanes <kardianos@gmail.com> Run-TryBot: Daniel Theophanes <kardianos@gmail.com> TryBot-Result: Gobot Gobot <gobot@golang.org>
2018-04-11database/sql: return context errors from Rows.ScanEric Rykwalder
The previous implementation would return "sql: Rows are closed" for any context errors, which can be confusing for context timeouts or cancelations. Fixes #24431 Change-Id: I884904ec43204c43f4e94e2335b2802aab77a888 Reviewed-on: https://go-review.googlesource.com/104276 Reviewed-by: Daniel Theophanes <kardianos@gmail.com> Run-TryBot: Daniel Theophanes <kardianos@gmail.com> TryBot-Result: Gobot Gobot <gobot@golang.org>
2018-04-11database/sql: clarify behavior of DB.CloseDaniel Theophanes
It wasn't clear for existing docs if DB.Close forcefully closed connections or waited for them to finish. Fixes #23753 Change-Id: Id7df31224c93181c8d01bab7b0b23da25b42a288 Reviewed-on: https://go-review.googlesource.com/103397 Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
2018-03-27database/sql: check to see if ctx is cancelable before awaitDaniel Theophanes
Prevent queries from starting a goroutine if the context is not able to be canceled. Fixes #23879 Change-Id: I392047bd53d7f796219dd12ee11b07303658fdaf Reviewed-on: https://go-review.googlesource.com/102478 Run-TryBot: Daniel Theophanes <kardianos@gmail.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Yasuhiro MATSUMOTO <mattn.jp@gmail.com> Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
2018-03-26database/sql: fix docs to correctly refer to time.RFC3339NanoAndrew Bonventre
It mentions time.Format3339Nano, which isn’t defined. The underlying code uses time.RFC3339Nano. Updates golang/go#24542 Change-Id: Ia34ae8b66427139d9005f902c2eb60aac4bfa8c6 Reviewed-on: https://go-review.googlesource.com/102607 Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
2018-03-25database/sql: add more examplesKevin Burke
This aims to expand the coverage of examples showing how the sql package works, as well as to address a number of issues I've observed while explaining how the database package works: - The best way to issue UPDATE or INSERT queries, that don't need to scan anything in return. (Previously, we had no examples for any Execute statement). - How to use prepared statements and transactions. - How to aggregate arguments from a Query/QueryContext query into a slice. Furthermore just having examples in more places should help, as users click on e.g. the "Rows" return parameter and are treated with the lack of any example about how Rows is used. Switch package examples to use QueryContext/QueryRowContext; I think it is a good practice to prepare users to issue queries with a timeout attached, even if they are not using it immediately. Change-Id: I4e63af91c7e4fff88b25f820906104ecefde4cc3 Reviewed-on: https://go-review.googlesource.com/91015 Reviewed-by: Daniel Theophanes <kardianos@gmail.com> Run-TryBot: Daniel Theophanes <kardianos@gmail.com> TryBot-Result: Gobot Gobot <gobot@golang.org>
2018-03-07database/sql: fix typo in commentTobias Klauser
Change-Id: Ie2966bae1dc2e542c42fb32d8059a4b2d4690014 Reviewed-on: https://go-review.googlesource.com/99115 Reviewed-by: Ian Lance Taylor <iant@golang.org>
2018-02-22database/sql: add String method to IsolationLevelAlexey Palazhchenko
Fixes #23632 Change-Id: I7197e13df6cf28400a6dd86c110f41129550abb6 Reviewed-on: https://go-review.googlesource.com/92235 Reviewed-by: Daniel Theophanes <kardianos@gmail.com>
2018-02-20all: fix misspellingsShawn Smith
GitHub-Last-Rev: 468df242d07419c228656985702325aa78952d99 GitHub-Pull-Request: golang/go#23935 Change-Id: If751ce3ffa3a4d5e00a3138211383d12cb6b23fc Reviewed-on: https://go-review.googlesource.com/95577 Run-TryBot: Andrew Bonventre <andybons@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Andrew Bonventre <andybons@golang.org>
2018-02-20all: remove duplicate word "the"Ryuma Yoshida
Change-Id: Ia5908e94a6bd362099ca3c63f6ffb7e94457131d GitHub-Last-Rev: 545a40571a912f433546d8c94a9d63459313515d GitHub-Pull-Request: golang/go#23942 Reviewed-on: https://go-review.googlesource.com/95435 Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
2018-02-13database/sql: remove duplicate validationTamir Duberstein
Since https://golang.org/cl/38533, this validation is performed in driverArgs. Change-Id: I13a3ca46a1aa3197370de1095fb46ab83ea4628c Reviewed-on: https://go-review.googlesource.com/91115 Reviewed-by: Daniel Theophanes <kardianos@gmail.com> Run-TryBot: Daniel Theophanes <kardianos@gmail.com> TryBot-Result: Gobot Gobot <gobot@golang.org>
2018-02-13database/sql: include SQL column name in Scan() error messageHaraldNordgren
When 'convertAssign' gives an error, instead of giving just the index of the failing column -- which is not always helpful, especially when there are lots of columns in the query -- utilize 'rs.rowsi.Columns()' to extract the underlying column name and include that in the error string: sql: Scan error on column index 0, name "some_column": ... Fixes #23362 Change-Id: I0fe71ff3c25f4c0dd9fc6aa2c2da2360dd93e3e0 Reviewed-on: https://go-review.googlesource.com/86537 Reviewed-by: Harald Nordgren <haraldnordgren@gmail.com> Reviewed-by: Daniel Theophanes <kardianos@gmail.com> Run-TryBot: Daniel Theophanes <kardianos@gmail.com> TryBot-Result: Gobot Gobot <gobot@golang.org>
2018-01-25database/sql: buffers provided to Rows.Next should not be modified by driversDaniel Theophanes
Previously we allowed drivers to modify the row buffer used to scan values when closing Rows. This is no longer acceptable and can lead to data races. Fixes #23519 Change-Id: I91820a6266ffe52f95f40bb47307d375727715af Reviewed-on: https://go-review.googlesource.com/89936 Run-TryBot: Daniel Theophanes <kardianos@gmail.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Russ Cox <rsc@golang.org>
2018-01-25database/sql: fix TestConversions when count > 1Daniel Theophanes
Provide a fresh conversion table for TestConversions as it gets modified on each test. Change-Id: I6e2240d0c3455451271a6879e994b82222c3d44c Reviewed-on: https://go-review.googlesource.com/89595 Run-TryBot: Daniel Theophanes <kardianos@gmail.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Russ Cox <rsc@golang.org>
2018-01-03database/sql: fix nil pointer use within withLockDaniel Theophanes
During the refactor in 1126d1483f0397648905fcd4590ae45352cabd69 I introduced a logical error within one withLock function that used the result of the call before checking for the error. Change the order so that the error is checked before the result is used. None of the other withLock uses have similar issues. Fixes #23208 Change-Id: I6c5dcf262e36bad4369c850f1e0131066360a82e Reviewed-on: https://go-review.googlesource.com/85175 Run-TryBot: Daniel Theophanes <kardianos@gmail.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Caleb Spare <cespare@gmail.com> Reviewed-by: Ian Lance Taylor <iant@golang.org>
generated by cgit v1.3 (git 2.53.0) at 2026-04-15 12:08:52 +0000