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Overview
Comment:Remove the unused pColHash field from the Table object.
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SHA3-256: 3a2c047989facc3461c63a2f9eed412014c951035a80da47c52a70139fb552de
User & Date: drh 2018-12-06 02:01:17.509
Context
2018-12-06
20:18
Experimental changes to (optionally) allow double-quoted strings to be checked against known identifiers. (Leaf check-in: 73a6b8c1b9 user: mistachkin tags: normalize_v4)
03:59
Invoking the sqlite3_trace() or sqlite3_trace_v2() interfaces cancels any sqlite3_profile() that is running. (check-in: ec63d3506b user: drh tags: trunk)
02:08
Merge bug fixes from trunk. (check-in: 1e13aaa29f user: drh tags: begin-concurrent)
02:01
Remove the unused pColHash field from the Table object. (check-in: 3a2c047989 user: drh tags: trunk)
01:53
Fix a potential NULL pointer dereference that can occur in ALTER TABLE following an OOM. Test case in TH3. (check-in: ea50815bf8 user: drh tags: trunk)
Changes
Side-by-Side Diff Ignore Whitespace Patch
Changes to src/build.c.
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  }

  /* Delete any foreign keys attached to this table. */
  sqlite3FkDelete(db, pTable);

  /* Delete the Table structure itself.
  */
#ifdef SQLITE_ENABLE_NORMALIZE
  if( pTable->pColHash ){
    sqlite3HashClear(pTable->pColHash);
    sqlite3_free(pTable->pColHash);
  }
#endif
  sqlite3DeleteColumnNames(db, pTable);
  sqlite3DbFree(db, pTable->zName);
  sqlite3DbFree(db, pTable->zColAff);
  sqlite3SelectDelete(db, pTable->pSelect);
  sqlite3ExprListDelete(db, pTable->pCheck);
#ifndef SQLITE_OMIT_VIRTUALTABLE
  sqlite3VtabClear(db, pTable);
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Changes to src/sqliteInt.h.
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/*
** The schema for each SQL table and view is represented in memory
** by an instance of the following structure.
*/
struct Table {
  char *zName;         /* Name of the table or view */
  Column *aCol;        /* Information about each column */
#ifdef SQLITE_ENABLE_NORMALIZE
  Hash *pColHash;      /* All columns indexed by name */
#endif
  Index *pIndex;       /* List of SQL indexes on this table. */
  Select *pSelect;     /* NULL for tables.  Points to definition if a view. */
  FKey *pFKey;         /* Linked list of all foreign keys in this table */
  char *zColAff;       /* String defining the affinity of each column */
  ExprList *pCheck;    /* All CHECK constraints */
                       /*   ... also used as column name list in a VIEW */
  int tnum;            /* Root BTree page for this table */
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