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Enhancements to SQL query normalization for UPDATE statements.

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FossilOrigin-Name: bba975c7af3de9aeb5c62fb8b05d61b96e4ecd0b030008442bbdd345e1e5f134
This commit is contained in:
mistachkin
2019-10-16 17:46:22 +00:00
parent 2da8d6fe74
commit 16fd04cdbe
5 changed files with 46 additions and 15 deletions
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4
src/tokenize.c
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@@ -757,7 +757,7 @@ char *sqlite3Normalize(
int nParen; /* Number of nested levels of parentheses */
int iStartIN; /* Start of RHS of IN operator in z[] */
int nParenAtIN; /* Value of nParent at start of RHS of IN operator */
int j; /* Bytes of normalized SQL generated so far */
u32 j; /* Bytes of normalized SQL generated so far */
sqlite3_str *pStr; /* The normalized SQL string under construction */
db = sqlite3VdbeDb(pVdbe);
@@ -801,7 +801,7 @@ char *sqlite3Normalize(
}
case TK_RP: {
if( iStartIN>0 && nParen==nParenAtIN ){
assert( pStr->nChar>=iStartIN );
assert( pStr->nChar>=(u32)iStartIN );
pStr->nChar = iStartIN+1;
sqlite3_str_append(pStr, "?,?,?", 5);
iStartIN = 0;