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Overview
Comment:Fix a post-OOM memory leak.
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SHA1: 14009b32b955b42cfd5f0c2ce7d4b3ce19ce201e
User & Date: drh 2016-08-12 11:01:20.692
Context
2016-08-12
11:25
Add VdbeCoverage() macros on newly added VDBE branch operations. (check-in: 381aa73141 user: drh tags: rowvalue)
11:01
Fix a post-OOM memory leak. (check-in: 14009b32b9 user: drh tags: rowvalue)
2016-08-11
12:31
Merge recent changes from trunk. (check-in: 959677b97b user: drh tags: rowvalue)
Changes
Unified Diff Ignore Whitespace Patch
Changes to src/expr.c.
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  char *zAff = 0;       /* Affinity string for comparisons */
  int nVector;          /* Size of vectors for this IN(...) op */
  Expr *pLeft = pExpr->pLeft;
  int i;

  if( sqlite3ExprCheckIN(pParse, pExpr) ) return;
  zAff = exprINAffinity(pParse, pExpr);

  nVector = sqlite3ExprVectorSize(pExpr->pLeft);
  aiMap = (int*)sqlite3DbMallocZero(
      pParse->db, nVector*(sizeof(int) + sizeof(char)) + 1
  );
  if( !zAff || !aiMap ){
    sqlite3DbFree(pParse->db, aiMap);
    return;
  }

  /* Attempt to compute the RHS. After this step, if anything other than
  ** IN_INDEX_NOOP is returned, the table opened ith cursor pExpr->iTable 
  ** contains the values that make up the RHS. If IN_INDEX_NOOP is returned,
  ** the RHS has not yet been coded.  */








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  char *zAff = 0;       /* Affinity string for comparisons */
  int nVector;          /* Size of vectors for this IN(...) op */
  Expr *pLeft = pExpr->pLeft;
  int i;

  if( sqlite3ExprCheckIN(pParse, pExpr) ) return;
  zAff = exprINAffinity(pParse, pExpr);
  if( zAff==0 ) return;
  nVector = sqlite3ExprVectorSize(pExpr->pLeft);
  aiMap = (int*)sqlite3DbMallocZero(
      pParse->db, nVector*(sizeof(int) + sizeof(char)) + 1
  );
  if( aiMap==0 ){
    sqlite3DbFree(pParse->db, zAff);
    return;
  }

  /* Attempt to compute the RHS. After this step, if anything other than
  ** IN_INDEX_NOOP is returned, the table opened ith cursor pExpr->iTable 
  ** contains the values that make up the RHS. If IN_INDEX_NOOP is returned,
  ** the RHS has not yet been coded.  */
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