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Overview
Comment:Restore the index_list pragma back to its former operation. Create a new PRAGMA stats used to access the table and index widths and heights.
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SHA1:f0cf8c85dcbcc7778aed2816792c368d777f79cb
User & Date: drh 2013-10-12 20:22:00
Context
2013-10-14
10:46
Add a new application_id for GeoPackage version 1.0. check-in: 98ddfe45 user: drh tags: trunk
2013-10-12
23:39
Merge updates from trunk. Closed-Leaf check-in: a88b5be0 user: mistachkin tags: toTypeFuncs
20:22
Restore the index_list pragma back to its former operation. Create a new PRAGMA stats used to access the table and index widths and heights. check-in: f0cf8c85 user: drh tags: trunk
15:12
Fix handling of "DROP TABLE" commands when "PRAGMA defer_foreign_keys=1" is set. check-in: 27001356 user: dan tags: trunk
Changes
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Changes to src/pragma.c. 

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#define PragTyp_LOCKING_MODE                  21
#define PragTyp_PAGE_COUNT                    22
#define PragTyp_MMAP_SIZE                     23
#define PragTyp_PAGE_SIZE                     24
#define PragTyp_SECURE_DELETE                 25
#define PragTyp_SHRINK_MEMORY                 26
#define PragTyp_SOFT_HEAP_LIMIT               27

#define PragTyp_SYNCHRONOUS                   28
#define PragTyp_TABLE_INFO                    29
#define PragTyp_TEMP_STORE                    30
#define PragTyp_TEMP_STORE_DIRECTORY          31
#define PragTyp_WAL_AUTOCHECKPOINT            32
#define PragTyp_WAL_CHECKPOINT                33
#define PragTyp_ACTIVATE_EXTENSIONS           34
#define PragTyp_HEXKEY                        35
#define PragTyp_KEY                           36
#define PragTyp_REKEY                         37
#define PragTyp_LOCK_STATUS                   38
#define PragTyp_PARSER_TRACE                  39
#define PragFlag_NeedSchema           0x01
static const struct sPragmaNames {
  const char *const zName;  /* Name of pragma */
  u8 ePragTyp;              /* PragTyp_XXX value */
  u8 mPragFlag;             /* Zero or more PragFlag_XXX values */
  u32 iArg;                 /* Extra argument */
} aPragmaNames[] = {
................................................................................
    /* ePragFlag: */ 0,
    /* iArg:      */ 0 },
#if defined(SQLITE_DEBUG)
  { /* zName:     */ "sql_trace",
    /* ePragTyp:  */ PragTyp_FLAG,
    /* ePragFlag: */ 0,
    /* iArg:      */ SQLITE_SqlTrace },






#endif
#if !defined(SQLITE_OMIT_PAGER_PRAGMAS)
  { /* zName:     */ "synchronous",
    /* ePragTyp:  */ PragTyp_SYNCHRONOUS,
    /* ePragFlag: */ PragFlag_NeedSchema,
    /* iArg:      */ 0 },
#endif
................................................................................
    /* iArg:      */ 0 },
#endif
  { /* zName:     */ "writable_schema",
    /* ePragTyp:  */ PragTyp_FLAG,
    /* ePragFlag: */ 0,
    /* iArg:      */ SQLITE_WriteSchema|SQLITE_RecoveryMode },
};
/* Number of pragmas: 55 on by default, 67 total. */
/* End of the automatically generated pragma table.
***************************************************************************/

/*
** Interpret the given string as a safety level.  Return 0 for OFF,
** 1 for ON or NORMAL and 2 for FULL.  Return 1 for an empty or 
** unrecognized string argument.  The FULL option is disallowed
................................................................................
        }
        sqlite3VdbeAddOp2(v, OP_Integer, k, 6);
        sqlite3VdbeAddOp2(v, OP_ResultRow, 1, 6);
      }
    }
  }
  break;































  case PragTyp_INDEX_INFO: if( zRight ){
    Index *pIdx;
    Table *pTab;
    pIdx = sqlite3FindIndex(db, zRight, zDb);
    if( pIdx ){
      int i;
................................................................................
  case PragTyp_INDEX_LIST: if( zRight ){
    Index *pIdx;
    Table *pTab;
    int i;
    pTab = sqlite3FindTable(db, zRight, zDb);
    if( pTab ){
      v = sqlite3GetVdbe(pParse);
      sqlite3VdbeSetNumCols(v, 4);
      pParse->nMem = 4;
      sqlite3CodeVerifySchema(pParse, iDb);
      sqlite3VdbeSetColName(v, 0, COLNAME_NAME, "seq", SQLITE_STATIC);
      sqlite3VdbeSetColName(v, 1, COLNAME_NAME, "name", SQLITE_STATIC);
      sqlite3VdbeSetColName(v, 2, COLNAME_NAME, "unique", SQLITE_STATIC);
      sqlite3VdbeSetColName(v, 3, COLNAME_NAME, "avgrowsize", SQLITE_STATIC);
      sqlite3VdbeAddOp2(v, OP_Integer, 0, 1);
      sqlite3VdbeAddOp2(v, OP_Null, 0, 2);
      sqlite3VdbeAddOp2(v, OP_Integer, 1, 3);
      sqlite3VdbeAddOp2(v, OP_Integer,
                           (int)sqlite3LogEstToInt(pTab->szTabRow), 4);
      sqlite3VdbeAddOp2(v, OP_ResultRow, 1, 4);
      for(pIdx=pTab->pIndex, i=1; pIdx; pIdx=pIdx->pNext, i++){
        sqlite3VdbeAddOp2(v, OP_Integer, i, 1);
        sqlite3VdbeAddOp4(v, OP_String8, 0, 2, 0, pIdx->zName, 0);
        sqlite3VdbeAddOp2(v, OP_Integer, pIdx->onError!=OE_None, 3);
        sqlite3VdbeAddOp2(v, OP_Integer,
                             (int)sqlite3LogEstToInt(pIdx->szIdxRow), 4);
        sqlite3VdbeAddOp2(v, OP_ResultRow, 1, 4);
      }
    }
  }
  break;

  case PragTyp_DATABASE_LIST: {
    int i;








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#define PragTyp_LOCKING_MODE                  21
#define PragTyp_PAGE_COUNT                    22
#define PragTyp_MMAP_SIZE                     23
#define PragTyp_PAGE_SIZE                     24
#define PragTyp_SECURE_DELETE                 25
#define PragTyp_SHRINK_MEMORY                 26
#define PragTyp_SOFT_HEAP_LIMIT               27
#define PragTyp_STATS                         28
#define PragTyp_SYNCHRONOUS                   29
#define PragTyp_TABLE_INFO                    30
#define PragTyp_TEMP_STORE                    31
#define PragTyp_TEMP_STORE_DIRECTORY          32
#define PragTyp_WAL_AUTOCHECKPOINT            33
#define PragTyp_WAL_CHECKPOINT                34
#define PragTyp_ACTIVATE_EXTENSIONS           35
#define PragTyp_HEXKEY                        36
#define PragTyp_KEY                           37
#define PragTyp_REKEY                         38
#define PragTyp_LOCK_STATUS                   39
#define PragTyp_PARSER_TRACE                  40
#define PragFlag_NeedSchema           0x01
static const struct sPragmaNames {
  const char *const zName;  /* Name of pragma */
  u8 ePragTyp;              /* PragTyp_XXX value */
  u8 mPragFlag;             /* Zero or more PragFlag_XXX values */
  u32 iArg;                 /* Extra argument */
} aPragmaNames[] = {
................................................................................
    /* ePragFlag: */ 0,
    /* iArg:      */ 0 },
#if defined(SQLITE_DEBUG)
  { /* zName:     */ "sql_trace",
    /* ePragTyp:  */ PragTyp_FLAG,
    /* ePragFlag: */ 0,
    /* iArg:      */ SQLITE_SqlTrace },
#endif
#if !defined(SQLITE_OMIT_SCHEMA_PRAGMAS)
  { /* zName:     */ "stats",
    /* ePragTyp:  */ PragTyp_STATS,
    /* ePragFlag: */ PragFlag_NeedSchema,
    /* iArg:      */ 0 },
#endif
#if !defined(SQLITE_OMIT_PAGER_PRAGMAS)
  { /* zName:     */ "synchronous",
    /* ePragTyp:  */ PragTyp_SYNCHRONOUS,
    /* ePragFlag: */ PragFlag_NeedSchema,
    /* iArg:      */ 0 },
#endif
................................................................................
    /* iArg:      */ 0 },
#endif
  { /* zName:     */ "writable_schema",
    /* ePragTyp:  */ PragTyp_FLAG,
    /* ePragFlag: */ 0,
    /* iArg:      */ SQLITE_WriteSchema|SQLITE_RecoveryMode },
};
/* Number of pragmas: 56 on by default, 68 total. */
/* End of the automatically generated pragma table.
***************************************************************************/

/*
** Interpret the given string as a safety level.  Return 0 for OFF,
** 1 for ON or NORMAL and 2 for FULL.  Return 1 for an empty or 
** unrecognized string argument.  The FULL option is disallowed
................................................................................
        }
        sqlite3VdbeAddOp2(v, OP_Integer, k, 6);
        sqlite3VdbeAddOp2(v, OP_ResultRow, 1, 6);
      }
    }
  }
  break;

  case PragTyp_STATS: {
    Index *pIdx;
    HashElem *i;
    v = sqlite3GetVdbe(pParse);
    sqlite3VdbeSetNumCols(v, 4);
    pParse->nMem = 4;
    sqlite3CodeVerifySchema(pParse, iDb);
    sqlite3VdbeSetColName(v, 0, COLNAME_NAME, "table", SQLITE_STATIC);
    sqlite3VdbeSetColName(v, 1, COLNAME_NAME, "index", SQLITE_STATIC);
    sqlite3VdbeSetColName(v, 2, COLNAME_NAME, "width", SQLITE_STATIC);
    sqlite3VdbeSetColName(v, 3, COLNAME_NAME, "height", SQLITE_STATIC);
    for(i=sqliteHashFirst(&pDb->pSchema->tblHash); i; i=sqliteHashNext(i)){
      Table *pTab = sqliteHashData(i);
      sqlite3VdbeAddOp4(v, OP_String8, 0, 1, 0, pTab->zName, 0);
      sqlite3VdbeAddOp2(v, OP_Null, 0, 2);
      sqlite3VdbeAddOp2(v, OP_Integer,
                           (int)sqlite3LogEstToInt(pTab->szTabRow), 3);
      sqlite3VdbeAddOp2(v, OP_Integer, (int)pTab->nRowEst, 4);
      sqlite3VdbeAddOp2(v, OP_ResultRow, 1, 4);
      for(pIdx=pTab->pIndex; pIdx; pIdx=pIdx->pNext){
        sqlite3VdbeAddOp4(v, OP_String8, 0, 2, 0, pIdx->zName, 0);
        sqlite3VdbeAddOp2(v, OP_Integer,
                             (int)sqlite3LogEstToInt(pIdx->szIdxRow), 3);
        sqlite3VdbeAddOp2(v, OP_Integer, (int)pIdx->aiRowEst[0], 4);
        sqlite3VdbeAddOp2(v, OP_ResultRow, 1, 4);
      }
    }
  }
  break;

  case PragTyp_INDEX_INFO: if( zRight ){
    Index *pIdx;
    Table *pTab;
    pIdx = sqlite3FindIndex(db, zRight, zDb);
    if( pIdx ){
      int i;
................................................................................
  case PragTyp_INDEX_LIST: if( zRight ){
    Index *pIdx;
    Table *pTab;
    int i;
    pTab = sqlite3FindTable(db, zRight, zDb);
    if( pTab ){
      v = sqlite3GetVdbe(pParse);
      sqlite3VdbeSetNumCols(v, 3);
      pParse->nMem = 3;
      sqlite3CodeVerifySchema(pParse, iDb);
      sqlite3VdbeSetColName(v, 0, COLNAME_NAME, "seq", SQLITE_STATIC);
      sqlite3VdbeSetColName(v, 1, COLNAME_NAME, "name", SQLITE_STATIC);
      sqlite3VdbeSetColName(v, 2, COLNAME_NAME, "unique", SQLITE_STATIC);







      for(pIdx=pTab->pIndex, i=0; pIdx; pIdx=pIdx->pNext, i++){
        sqlite3VdbeAddOp2(v, OP_Integer, i, 1);
        sqlite3VdbeAddOp4(v, OP_String8, 0, 2, 0, pIdx->zName, 0);
        sqlite3VdbeAddOp2(v, OP_Integer, pIdx->onError!=OE_None, 3);


        sqlite3VdbeAddOp2(v, OP_ResultRow, 1, 3);
      }
    }
  }
  break;

  case PragTyp_DATABASE_LIST: {
    int i;

Changes to test/pragma.test. 

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      pragma foreign_key_list(t5);
    }
  } {}
  do_test pragma-6.4 {
    execsql {
      pragma index_list(t3);
    }
  } {/0 {} 1 \d+ 1 sqlite_autoindex_t3_1 1 \d+/}
}
ifcapable {!foreignkey} {
  execsql {CREATE TABLE t3(a,b UNIQUE)}
}
do_test pragma-6.5.1 {
  execsql {
    CREATE INDEX t3i1 ON t3(a,b);
................................................................................
do_test pragma-7.1.1 {
  # Make sure a pragma knows to read the schema if it needs to
  db close
  sqlite3 db test.db
  execsql {
    pragma index_list(t3);
  }
} {/0 {} 1 \d+ 1 t3i1 0 \d+ 2 sqlite_autoindex_t3_1 1 \d+/}
do_test pragma-7.1.2 {
  execsql {
    pragma index_list(t3_bogus);
  }
} {}
} ;# ifcapable schema_pragmas
ifcapable {utf16} {
................................................................................
  db2 eval {PRAGMA index_info(i2)}
} {0 2 c 1 3 d 2 1 b}
do_test 23.3 {
  db eval {
    CREATE INDEX i3 ON t1(d,b,c);
  }
  db2 eval {PRAGMA index_list(t1)}
} {/0 {} 1 \d+ 1 i3 0 \d+ 2 i2 0 \d+ 3 i1 0 \d+/}
do_test 23.4 {
  db eval {
    ALTER TABLE t1 ADD COLUMN e;
  }
  db2 eval {
    PRAGMA table_info(t1);
  }








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      pragma foreign_key_list(t5);
    }
  } {}
  do_test pragma-6.4 {
    execsql {
      pragma index_list(t3);
    }
  } {0 sqlite_autoindex_t3_1 1}
}
ifcapable {!foreignkey} {
  execsql {CREATE TABLE t3(a,b UNIQUE)}
}
do_test pragma-6.5.1 {
  execsql {
    CREATE INDEX t3i1 ON t3(a,b);
................................................................................
do_test pragma-7.1.1 {
  # Make sure a pragma knows to read the schema if it needs to
  db close
  sqlite3 db test.db
  execsql {
    pragma index_list(t3);
  }
} {0 t3i1 0 1 sqlite_autoindex_t3_1 1}
do_test pragma-7.1.2 {
  execsql {
    pragma index_list(t3_bogus);
  }
} {}
} ;# ifcapable schema_pragmas
ifcapable {utf16} {
................................................................................
  db2 eval {PRAGMA index_info(i2)}
} {0 2 c 1 3 d 2 1 b}
do_test 23.3 {
  db eval {
    CREATE INDEX i3 ON t1(d,b,c);
  }
  db2 eval {PRAGMA index_list(t1)}
} {0 i3 0 1 i2 0 2 i1 0}
do_test 23.4 {
  db eval {
    ALTER TABLE t1 ADD COLUMN e;
  }
  db2 eval {
    PRAGMA table_info(t1);
  }

Changes to tool/mkpragmatab.tcl. 

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  IF:   !defined(SQLITE_OMIT_PAGER_PRAGMAS) && SQLITE_ENABLE_LOCKING_STYLE

  NAME: synchronous
  FLAG: NeedSchema
  IF:   !defined(SQLITE_OMIT_PAGER_PRAGMAS)

  NAME: table_info




  FLAG: NeedSchema
  IF:   !defined(SQLITE_OMIT_SCHEMA_PRAGMAS)

  NAME: index_info
  FLAG: NeedSchema
  IF:   !defined(SQLITE_OMIT_SCHEMA_PRAGMAS)









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  IF:   !defined(SQLITE_OMIT_PAGER_PRAGMAS) && SQLITE_ENABLE_LOCKING_STYLE

  NAME: synchronous
  FLAG: NeedSchema
  IF:   !defined(SQLITE_OMIT_PAGER_PRAGMAS)

  NAME: table_info
  FLAG: NeedSchema
  IF:   !defined(SQLITE_OMIT_SCHEMA_PRAGMAS)

  NAME: stats
  FLAG: NeedSchema
  IF:   !defined(SQLITE_OMIT_SCHEMA_PRAGMAS)

  NAME: index_info
  FLAG: NeedSchema
  IF:   !defined(SQLITE_OMIT_SCHEMA_PRAGMAS)

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