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Fix issues in the new ADD COLUMN constraint checking. Add preliminary

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test cases.

FossilOrigin-Name: 48434ad3fa9504c063d812d119bc8f622548fd02b3d478ff247b11474c4ce5db
This commit is contained in:
drh
2021-07-20 08:23:54 +00:00
parent b4d9b2b537
commit 0f91a5352b
6 changed files with 62 additions and 22 deletions
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21
manifest
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@ -1,5 +1,5 @@
C Demonstration\scode\sto\sshow\show\sNOT\sNULL\sand\sCHECK\sconstraints\scan\sbe\nverified\safter\san\sALTER\sTABLE\sADD\sCOLUMN.
D 2021-07-20T07:35:07.295
C Fix\sissues\sin\sthe\snew\sADD\sCOLUMN\sconstraint\schecking.\s\sAdd\spreliminary\ntest\scases.
D 2021-07-20T08:23:54.879
F .fossil-settings/empty-dirs dbb81e8fc0401ac46a1491ab34a7f2c7c0452f2f06b54ebb845d024ca8283ef1
F .fossil-settings/ignore-glob 35175cdfcf539b2318cb04a9901442804be81cd677d8b889fcc9149c21f239ea
F LICENSE.md df5091916dbb40e6e9686186587125e1b2ff51f022cc334e886c19a0e9982724
@ -478,7 +478,7 @@ F spec.template 86a4a43b99ebb3e75e6b9a735d5fd293a24e90ca
F sqlite.pc.in 42b7bf0d02e08b9e77734a47798d1a55a9e0716b
F sqlite3.1 fc7ad8990fc8409983309bb80de8c811a7506786
F sqlite3.pc.in 48fed132e7cb71ab676105d2a4dc77127d8c1f3a
F src/alter.c 1589ea8a5dcef74e12b49182928062cbd2958cc223004bb6d534e44521c59d0a
F src/alter.c 8b6d394cca07e1aa0bd9364111098017dee578e2edad6ce6eb6a0cf78738413c
F src/analyze.c 01c6c6765cb4d40b473b71d85535093730770bb186f2f473abac25f07fcdee5c
F src/attach.c a514e81758ba7b3a3a0501faf70af6cfc509de8810235db726cfc9f25165e929
F src/auth.c 08954fdc4cc2da5264ba5b75cfd90b67a6fc7d1710a02ccf917c38eadec77853
@ -488,7 +488,7 @@ F src/btmutex.c 8acc2f464ee76324bf13310df5692a262b801808984c1b79defb2503bbafadb6
F src/btree.c e204a9c8fb4fe5dbb910a863ba487f4af9b5c501254ec4ccbfcdd6b1f65b7fb4
F src/btree.h 74d64b8f28cfa4a894d14d4ed64fa432cd697b98b61708d4351482ae15913e22
F src/btreeInt.h 7bc15a24a02662409ebcd6aeaa1065522d14b7fda71573a2b0568b458f514ae0
F src/build.c 602ab2f5b49df357a70ac4ff64bc6cc23effd97a6ae16b60e947f5ab25866f44
F src/build.c a27511863001ba088afd5e19efc9c37ea660983bd6ddf012def10f6cc4456a01
F src/callback.c d0b853dd413255d2e337b34545e54d888ea02f20da5ad0e63585b389624c4a6c
F src/complete.c a3634ab1e687055cd002e11b8f43eb75c17da23e
F src/ctime.c 8159d5f706551861c18ec6c8f6bdf105e15ea00367f05d9ab65d31a1077facc1
@ -549,7 +549,7 @@ F src/shell.c.in 856de2945bb7fdfdeebe7136cf1b59d24618845aa5e5f3937fda7ff37c623b5
F src/sqlite.h.in 43fcf0fe2af04081f420a906fc020bde1243851ba44b0aa567a27f94bf8c3145
F src/sqlite3.rc 5121c9e10c3964d5755191c80dd1180c122fc3a8
F src/sqlite3ext.h e97f4e9b509408fea4c4e9bef5a41608dfac343b4d3c7a990dedde1e19af9510
F src/sqliteInt.h 0982664df2e04968d9588535efa0f3987a7f23fb6d6872f0a7a0c5fa97e53933
F src/sqliteInt.h b3762f49d8b6b4bf7bf30d154f007d6f9421c86343042d7a246a79988d1fec1a
F src/sqliteLimit.h d7323ffea5208c6af2734574bae933ca8ed2ab728083caa117c9738581a31657
F src/status.c 4b8bc2a6905163a38b739854a35b826c737333fab5b1f8e03fa7eb9a4799c4c1
F src/table.c 0f141b58a16de7e2fbe81c308379e7279f4c6b50eb08efeec5892794a0ba30d1
@ -645,7 +645,7 @@ F test/alias.test 4529fbc152f190268a15f9384a5651bbbabc9d87
F test/all.test 2ecb8bbd52416642e41c9081182a8df05d42c75637afd4488aace78cc4b69e13
F test/alter.test f53d8a4ecd35f051c07e54a36beec5d0a30d30a9d98bc723f6cde6afbfb3c5ca
F test/alter2.test a966ccfcddf9ce0a4e0e6ff1aca9e6e7948e0e242cd7e43fc091948521807687
F test/alter3.test e487958dec7932453e0b83baf21d6b1e71d5e7d9a55bc20eadfa62a51ddffc29
F test/alter3.test ffc4ab29ce78a3517a66afd69b2730667e3471622509c283b2bd4c46f680fba3
F test/alter4.test 716caa071dd8a3c6d57225778d15d3c3cbf5e34b2e84ae44199aeb2bbf50a707
F test/alterauth.test 63442ba61ceb0c1eeb63aac1f4f5cebfa509d352276059d27106ae256bafc959
F test/alterauth2.test 381b1ab603c9ef96314a3158528ea17f7964449385a28eeaf8191120b2e24a8d
@ -1920,10 +1920,7 @@ F vsixtest/vsixtest.tcl 6a9a6ab600c25a91a7acc6293828957a386a8a93
F vsixtest/vsixtest.vcxproj.data 2ed517e100c66dc455b492e1a33350c1b20fbcdc
F vsixtest/vsixtest.vcxproj.filters 37e51ffedcdb064aad6ff33b6148725226cd608e
F vsixtest/vsixtest_TemporaryKey.pfx e5b1b036facdb453873e7084e1cae9102ccc67a0
P 18068cc60698d4944a9d682cdf34b14b4d4b32f043f8d584dbf41c2bb5ac6220
R 32477a4a8d73756ec29530de57bdffab
T *branch * add-column-constraint-check
T *sym-add-column-constraint-check *
T -sym-trunk *
P 039f540373b03af9e0c87499e5e0423eb093d1d343829282a5ac1de2d600b881
R a9df6797ac98d60db9408d8a0375d0a2
U drh
Z 445808b8851b3290a628722ea679d598
Z 8c3fc1d16a03a8cd3196e7a282e45db6

2
manifest.uuid
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@ -1 +1 @@
039f540373b03af9e0c87499e5e0423eb093d1d343829282a5ac1de2d600b881
48434ad3fa9504c063d812d119bc8f622548fd02b3d478ff247b11474c4ce5db

8
src/alter.c
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@ -446,16 +446,16 @@ void sqlite3AlterFinishAddColumn(Parse *pParse, Token *pColDef){
renameReloadSchema(pParse, iDb, INITFLAG_AlterRename);
/* Verify that constraints are still satisfied */
if( pParse->bDiscardCheck
if( pNew->pCheck!=0
|| (pCol->notNull && (pCol->colFlags & COLFLAG_GENERATED)!=0)
){
sqlite3NestedParse(pParse,
"SELECT CASE WHEN quick_check GLOB 'CHECK*'"
" THEN raise(ABORT,'CHECK constraint failed')"
" WHEN quick_check GLOB 'NULL*'"
" THEN raise(ABORT,'NOT NULL constraint failed')"
" ELSE raise(ABORT,'NOT NULL constraint failed')"
" END"
" FROM pragma_quick_check(\"%w\",\"%w\")",
" FROM pragma_quick_check(\"%w\",\"%w\")"
" WHERE quick_check GLOB 'CHECK*' OR quick_check GLOB 'NULL*'",
zTab, zDb
);
}

1
src/build.c
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@ -1769,7 +1769,6 @@ void sqlite3AddCheckConstraint(
}else
#endif
{
pParse->bDiscardCheck = 1;
sqlite3ExprDelete(pParse->db, pCheckExpr);
}
}

3
src/sqliteInt.h
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@ -3437,8 +3437,7 @@ struct Parse {
Vdbe *pVdbe; /* An engine for executing database bytecode */
int rc; /* Return code from execution */
u8 colNamesSet; /* TRUE after OP_ColumnName has been issued to pVdbe */
u8 checkSchema : 1; /* Causes schema cookie check after an error */
u8 bDiscardCheck :1; /* A CHECK constraint was discarded by the parser */
u8 checkSchema; /* Causes schema cookie check after an error */
u8 nested; /* Number of nested calls to the parser/code generator */
u8 nTempReg; /* Number of temporary registers in aTempReg[] */
u8 isMultiWrite; /* True if statement may modify/insert multiple rows */

49
test/alter3.test
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@ -13,8 +13,6 @@
# file format change that may be used in the future to implement
# "ALTER TABLE ... ADD COLUMN".
#
# $Id: alter3.test,v 1.11 2008/03/19 00:21:31 drh Exp $
#
set testdir [file dirname $argv0]
@ -395,4 +393,51 @@ do_test alter3-8.2 {
}
} [list $::sql]
# 2021-07-20: Add support for detecting CHECK and NOT NULL constraint
# violations in ALTER TABLE ADD COLUMN
#
reset_db
do_execsql_test alter3-9.1 {
CREATE TABLE t1(a,b);
INSERT INTO t1 VALUES(1, 2), ('null!',NULL), (3,4);
} {}
do_catchsql_test alter3-9.2 {
ALTER TABLE t1 ADD COLUMN c CHECK(a!=1);
} {1 {CHECK constraint failed}}
do_catchsql_test alter3-9.3 {
ALTER TABLE t1 ADD COLUMN c CHECK(a!=3);
} {1 {CHECK constraint failed}}
do_catchsql_test alter3-9.4 {
ALTER TABLE t1 ADD COLUMN c CHECK(a!=2);
} {0 {}}
do_catchsql_test alter3-9.5 {
ALTER TABLE t1 ADD COLUMN d AS (b+1) NOT NULL;
} {1 {NOT NULL constraint failed}}
do_catchsql_test alter3-9.6 {
ALTER TABLE t1 ADD COLUMN d AS (b+1) NOT NULL CHECK(a!=1);
} {1 {CHECK constraint failed}}
do_catchsql_test alter3-9.7 {
ALTER TABLE t1 ADD COLUMN d AS (b+1) NOT NULL CHECK(a!=3);
} {1 {NOT NULL constraint failed}}
do_execsql_test alter3-9.10 {
CREATE TEMP TABLE t0(m,n);
INSERT INTO t0 VALUES(1, 2), ('null!',NULL), (3,4);
ATTACH ':memory:' AS aux1;
CREATE TABLE aux1.t2(x,y);
INSERT INTO t2 VALUES(1, 2), ('null!',NULL), (3,4);
} {}
do_catchsql_test alter3-9.11 {
ALTER TABLE t0 ADD COLUMN xtra1 AS (n+1) NOT NULL CHECK(m!=1);
} {1 {CHECK constraint failed}}
do_catchsql_test alter3-9.12 {
ALTER TABLE t0 ADD COLUMN xtra1 AS (n+1) NOT NULL CHECK(m!=3);
} {1 {NOT NULL constraint failed}}
do_catchsql_test alter3-9.13 {
ALTER TABLE t2 ADD COLUMN xtra1 AS (y+1) NOT NULL CHECK(x!=1);
} {1 {CHECK constraint failed}}
do_catchsql_test alter3-9.14 {
ALTER TABLE t2 ADD COLUMN xtra1 AS (y+1) NOT NULL CHECK(x!=3);
} {1 {NOT NULL constraint failed}}
finish_test