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Overview
| Comment: | Remove the MySQL upsert syntax. As an optional alias to the insert table name in order to finish out PostgreSQL upsert syntax emulation. |
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| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | upsert |
| Files: | files | file ages | folders |
| SHA3-256: | 810d9f63be46c1452718b05e51c519fb |
| User & Date: | drh 2018-04-16 13:26:53 |
Context
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2018-04-16
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| 14:36 | Merge the Lemon enhancement from trunk, resulting in smaller parser tables. check-in: 641f4172 user: drh tags: upsert | |
| 13:26 | Remove the MySQL upsert syntax. As an optional alias to the insert table name in order to finish out PostgreSQL upsert syntax emulation. check-in: 810d9f63 user: drh tags: upsert | |
| 13:00 | Add support for the "excluded.*" names in the UPDATE clause of an upsert. check-in: 0203f34f user: drh tags: upsert | |
Changes
Changes to src/parse.y.
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// The following directive causes tokens ABORT, AFTER, ASC, etc. to // fallback to ID if they will not parse as their original value. // This obviates the need for the "id" nonterminal. // %fallback ID ABORT ACTION AFTER ANALYZE ASC ATTACH BEFORE BEGIN BY CASCADE CAST COLUMNKW CONFLICT DATABASE DEFERRED DESC DETACH DO DUPLICATE EACH END EXCLUSIVE EXPLAIN FAIL FOR IGNORE IMMEDIATE INITIALLY INSTEAD LIKE_KW MATCH NO PLAN QUERY KEY OF OFFSET PRAGMA RAISE RECURSIVE RELEASE REPLACE RESTRICT ROW ROLLBACK SAVEPOINT TEMP TRIGGER VACUUM VIEW VIRTUAL WITH WITHOUT %ifdef SQLITE_OMIT_COMPOUND_SELECT EXCEPT INTERSECT UNION %endif SQLITE_OMIT_COMPOUND_SELECT ................................................................................ } ////////////////////////// The INSERT command ///////////////////////////////// // cmd ::= with insert_cmd(R) INTO fullname(X) idlist_opt(F) select(S) upsert(U). { sqlite3Insert(pParse, X, S, F, R, U); } cmd ::= with insert_cmd(R) INTO fullname(X) idlist_opt(F) DEFAULT VALUES. { sqlite3Insert(pParse, X, 0, F, R, 0); } %type upsert {Upsert*} %destructor upsert {sqlite3UpsertDelete(pParse->db,$$);} upsert(A) ::= . { A = 0; } upsert(A) ::= ON CONFLICT LP sortlist(T) RP where_opt(TW) DO UPDATE SET setlist(Z) where_opt(W). { A = sqlite3UpsertNew(pParse->db,T,TW,Z,W);} upsert(A) ::= ON DUPLICATE KEY UPDATE setlist(Z) where_opt(W). { A = sqlite3UpsertNew(pParse->db,0,0,Z,W); } upsert(A) ::= ON CONFLICT LP sortlist(T) RP where_opt(TW) DO NOTHING. { A = sqlite3UpsertNew(pParse->db,T,TW,0,0); } upsert(A) ::= ON CONFLICT DO NOTHING. { A = sqlite3UpsertNew(pParse->db,0,0,0,0); } %type insert_cmd {int} insert_cmd(A) ::= INSERT orconf(R). {A = R;} |
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// The following directive causes tokens ABORT, AFTER, ASC, etc. to // fallback to ID if they will not parse as their original value. // This obviates the need for the "id" nonterminal. // %fallback ID ABORT ACTION AFTER ANALYZE ASC ATTACH BEFORE BEGIN BY CASCADE CAST COLUMNKW CONFLICT DATABASE DEFERRED DESC DETACH DO EACH END EXCLUSIVE EXPLAIN FAIL FOR IGNORE IMMEDIATE INITIALLY INSTEAD LIKE_KW MATCH NO PLAN QUERY KEY OF OFFSET PRAGMA RAISE RECURSIVE RELEASE REPLACE RESTRICT ROW ROLLBACK SAVEPOINT TEMP TRIGGER VACUUM VIEW VIRTUAL WITH WITHOUT %ifdef SQLITE_OMIT_COMPOUND_SELECT EXCEPT INTERSECT UNION %endif SQLITE_OMIT_COMPOUND_SELECT ................................................................................ } ////////////////////////// The INSERT command ///////////////////////////////// // cmd ::= with insert_cmd(R) INTO fullname(X) idlist_opt(F) select(S) upsert(U). { sqlite3Insert(pParse, X, S, F, R, U); } cmd ::= with insert_cmd(R) INTO fullname(X) idlist_opt(F) AS nm(A) select(S) upsert(U). { if( X ) X->a[0].zAlias = sqlite3NameFromToken(pParse->db, &A); sqlite3Insert(pParse, X, S, F, R, U); } cmd ::= with insert_cmd(R) INTO fullname(X) idlist_opt(F) DEFAULT VALUES. { sqlite3Insert(pParse, X, 0, F, R, 0); } %type upsert {Upsert*} %destructor upsert {sqlite3UpsertDelete(pParse->db,$$);} upsert(A) ::= . { A = 0; } upsert(A) ::= ON CONFLICT LP sortlist(T) RP where_opt(TW) DO UPDATE SET setlist(Z) where_opt(W). { A = sqlite3UpsertNew(pParse->db,T,TW,Z,W);} upsert(A) ::= ON CONFLICT LP sortlist(T) RP where_opt(TW) DO NOTHING. { A = sqlite3UpsertNew(pParse->db,T,TW,0,0); } upsert(A) ::= ON CONFLICT DO NOTHING. { A = sqlite3UpsertNew(pParse->db,0,0,0,0); } %type insert_cmd {int} insert_cmd(A) ::= INSERT orconf(R). {A = R;} |
Changes to src/resolve.c.
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if( iCol<pTab->nCol ){
cnt++;
#ifndef SQLITE_OMIT_UPSERT
if( pExpr->iTable==2 ){
pExpr->iTable = pNC->uNC.pUpsert->regData + iCol;
eNewExprOp = TK_REGISTER;
}else
#endif
{
#ifndef SQLITE_OMIT_TRIGGER
if( iCol<0 ){
pExpr->affinity = SQLITE_AFF_INTEGER;
}else if( pExpr->iTable==0 ){
testcase( iCol==31 );
testcase( iCol==32 );
................................................................................
testcase( iCol==31 );
testcase( iCol==32 );
pParse->newmask |= (iCol>=32 ? 0xffffffff : (((u32)1)<<iCol));
}
pExpr->pTab = pTab;
pExpr->iColumn = (i16)iCol;
eNewExprOp = TK_TRIGGER;
#endif /* SQLITE_OMIT_TRIGGER
}
}
}
}
#endif /* !defined(SQLITE_OMIT_TRIGGER) || !defined(SQLITE_OMIT_UPSERT) */
/*
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if( iCol<pTab->nCol ){
cnt++;
#ifndef SQLITE_OMIT_UPSERT
if( pExpr->iTable==2 ){
pExpr->iTable = pNC->uNC.pUpsert->regData + iCol;
eNewExprOp = TK_REGISTER;
}else
#endif /* SQLITE_OMIT_UPSERT */
{
#ifndef SQLITE_OMIT_TRIGGER
if( iCol<0 ){
pExpr->affinity = SQLITE_AFF_INTEGER;
}else if( pExpr->iTable==0 ){
testcase( iCol==31 );
testcase( iCol==32 );
................................................................................
testcase( iCol==31 );
testcase( iCol==32 );
pParse->newmask |= (iCol>=32 ? 0xffffffff : (((u32)1)<<iCol));
}
pExpr->pTab = pTab;
pExpr->iColumn = (i16)iCol;
eNewExprOp = TK_TRIGGER;
#endif /* SQLITE_OMIT_TRIGGER */
}
}
}
}
#endif /* !defined(SQLITE_OMIT_TRIGGER) || !defined(SQLITE_OMIT_UPSERT) */
/*
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Changes to tool/mkkeywordhash.c.
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{ "DEFERRABLE", "TK_DEFERRABLE", FKEY },
{ "DELETE", "TK_DELETE", ALWAYS },
{ "DESC", "TK_DESC", ALWAYS },
{ "DETACH", "TK_DETACH", ATTACH },
{ "DISTINCT", "TK_DISTINCT", ALWAYS },
{ "DO", "TK_DO", UPSERT },
{ "DROP", "TK_DROP", ALWAYS },
{ "DUPLICATE", "TK_DUPLICATE", UPSERT },
{ "END", "TK_END", ALWAYS },
{ "EACH", "TK_EACH", TRIGGER },
{ "ELSE", "TK_ELSE", ALWAYS },
{ "ESCAPE", "TK_ESCAPE", ALWAYS },
{ "EXCEPT", "TK_EXCEPT", COMPOUND },
{ "EXCLUSIVE", "TK_EXCLUSIVE", ALWAYS },
{ "EXISTS", "TK_EXISTS", ALWAYS },
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{ "DEFERRABLE", "TK_DEFERRABLE", FKEY },
{ "DELETE", "TK_DELETE", ALWAYS },
{ "DESC", "TK_DESC", ALWAYS },
{ "DETACH", "TK_DETACH", ATTACH },
{ "DISTINCT", "TK_DISTINCT", ALWAYS },
{ "DO", "TK_DO", UPSERT },
{ "DROP", "TK_DROP", ALWAYS },
{ "END", "TK_END", ALWAYS },
{ "EACH", "TK_EACH", TRIGGER },
{ "ELSE", "TK_ELSE", ALWAYS },
{ "ESCAPE", "TK_ESCAPE", ALWAYS },
{ "EXCEPT", "TK_EXCEPT", COMPOUND },
{ "EXCLUSIVE", "TK_EXCLUSIVE", ALWAYS },
{ "EXISTS", "TK_EXISTS", ALWAYS },
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