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Remove the Expr.pColl field and compute the collating sequence as it is needed.

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This fixes the test script "shared9.test", though there is still a memory leak.
And there are other problems.  Consider this a work-in-progress.

FossilOrigin-Name: fd011cb22f2d899d94ec7ce22641d7a8f5e19972
This commit is contained in:
drh
2012-12-06 21:16:43 +00:00
parent 74358f0c77
commit ae80ddea9f
9 changed files with 117 additions and 121 deletions
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4
src/sqliteInt.h
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@@ -1678,7 +1678,6 @@ struct Expr {
ExprList *pList; /* Function arguments or in "<expr> IN (<expr-list)" */
Select *pSelect; /* Used for sub-selects and "<expr> IN (<select>)" */
} x;
CollSeq *pColl; /* The collation type of the column or 0 */
/* If the EP_Reduced flag is set in the Expr.flags mask, then no
** space is allocated for the fields below this point. An attempt to
@@ -1714,7 +1713,7 @@ struct Expr {
#define EP_VarSelect 0x0020 /* pSelect is correlated, not constant */
#define EP_DblQuoted 0x0040 /* token.z was originally in "..." */
#define EP_InfixFunc 0x0080 /* True for an infix function: LIKE, GLOB, etc */
#define EP_ExpCollate 0x0100 /* Collating sequence specified explicitly */
#define EP_Collate 0x0100 /* Tree contains a TK_COLLATE opeartor */
#define EP_FixedDest 0x0200 /* Result needed in a specific register */
#define EP_IntValue 0x0400 /* Integer value contained in u.iValue */
#define EP_xIsSelect 0x0800 /* x.pSelect is valid (otherwise x.pList is) */
@@ -3022,7 +3021,6 @@ int sqlite3ReadSchema(Parse *pParse);
CollSeq *sqlite3FindCollSeq(sqlite3*,u8 enc, const char*,int);
CollSeq *sqlite3LocateCollSeq(Parse *pParse, const char*zName);
CollSeq *sqlite3ExprCollSeq(Parse *pParse, Expr *pExpr);
Expr *sqlite3ExprSetColl(Expr*, CollSeq*);
Expr *sqlite3ExprSetCollByToken(Parse *pParse, Expr*, Token*);
int sqlite3CheckCollSeq(Parse *, CollSeq *);
int sqlite3CheckObjectName(Parse *, const char *);