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MXS-1584 Correctly classify "SELECT NEXT VALUE FOR seq"

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This commit is contained in:
Johan Wikman
2017-12-20 10:55:11 +02:00
parent 224f918845
commit c31881914b
7 changed files with 40 additions and 8 deletions
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10
query_classifier/qc_sqlite/sqlite-src-3110100/src/parse.y
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@ -623,7 +623,7 @@ columnid(A) ::= nm(X). {
/*KEY*/
/*LIKE_KW*/
MASTER /*MATCH*/ MERGE
NAMES
NAMES NEXT
NO
OF OFFSET OPEN
QUICK
@ -1207,6 +1207,14 @@ selcollist(A) ::= sclp(P) nm(X) DOT STAR(Y). {
A = sqlite3ExprListAppend(pParse,P, pDot);
}
%ifdef MAXSCALE
selcollist(A) ::= sclp(P) NEXT VALUE FOR nm(X) as(Y). {
Expr* pSeq = sqlite3PExpr(pParse, TK_ID, 0, 0, &X);
ExprList* pArgs = sqlite3ExprListAppend(pParse, NULL, pSeq);
Token nextval = { "nextval", 7 };
Expr* pFunc = sqlite3ExprFunction(pParse, pArgs, &nextval);
if( Y.n>0 ) sqlite3ExprListSetName(pParse, A, &Y, 1);
A = sqlite3ExprListAppend(pParse, P, pFunc);
}
selcollist(A) ::= sclp(P) DEFAULT LP nm RP as. {
A = P;
}