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Fix a problem caused by using an SQL variable in an OVER clause within a trigger program.

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FossilOrigin-Name: 4f676466e60ee2a420b7b2deace76f3a733ce1af278347428285715d9c67f022
This commit is contained in:
dan
2021-01-21 15:40:52 +00:00
parent 7b88f54914
commit f380c3f13c
6 changed files with 118 additions and 142 deletions
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33
src/sqliteInt.h
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@@ -1137,6 +1137,7 @@ typedef struct Bitvec Bitvec;
typedef struct CollSeq CollSeq;
typedef struct Column Column;
typedef struct Db Db;
typedef struct DbFixer DbFixer;
typedef struct Schema Schema;
typedef struct Expr Expr;
typedef struct ExprList ExprList;
@@ -3650,21 +3651,6 @@ struct TriggerStep {
TriggerStep *pLast; /* Last element in link-list. Valid for 1st elem only */
};
/*
** The following structure contains information used by the sqliteFix...
** routines as they walk the parse tree to make database references
** explicit.
*/
typedef struct DbFixer DbFixer;
struct DbFixer {
Parse *pParse; /* The parsing context. Error messages written here */
Schema *pSchema; /* Fix items to this schema */
u8 bTemp; /* True for TEMP schema entries */
const char *zDb; /* Make sure all objects are contained in this database */
const char *zType; /* Type of the container - used for error messages */
const Token *pName; /* Name of the container - used for error messages */
};
/*
** An objected used to accumulate the text of a string where we
** do not necessarily know how big the string will be in the end.
@@ -3815,9 +3801,25 @@ struct Walker {
struct RenameCtx *pRename; /* RENAME COLUMN context */
struct Table *pTab; /* Table of generated column */
struct SrcList_item *pSrcItem; /* A single FROM clause item */
DbFixer *pFix;
} u;
};
/*
** The following structure contains information used by the sqliteFix...
** routines as they walk the parse tree to make database references
** explicit.
*/
struct DbFixer {
Parse *pParse; /* The parsing context. Error messages written here */
Walker w; /* Walker object */
Schema *pSchema; /* Fix items to this schema */
u8 bTemp; /* True for TEMP schema entries */
const char *zDb; /* Make sure all objects are contained in this database */
const char *zType; /* Type of the container - used for error messages */
const Token *pName; /* Name of the container - used for error messages */
};
/* Forward declarations */
int sqlite3WalkExpr(Walker*, Expr*);
int sqlite3WalkExprList(Walker*, ExprList*);
@@ -4527,7 +4529,6 @@ void sqlite3FixInit(DbFixer*, Parse*, int, const char*, const Token*);
int sqlite3FixSrcList(DbFixer*, SrcList*);
int sqlite3FixSelect(DbFixer*, Select*);
int sqlite3FixExpr(DbFixer*, Expr*);
int sqlite3FixExprList(DbFixer*, ExprList*);
int sqlite3FixTriggerStep(DbFixer*, TriggerStep*);
int sqlite3RealSameAsInt(double,sqlite3_int64);
void sqlite3Int64ToText(i64,char*);