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Overview
Comment:Add optional ASYNCHRONOUS and SYNCHRONOUS keywords in front of INSERT.
Timelines: family | ancestors | descendants | both | trunk
Files: files | file ages | folders
SHA1: 0030b61e78e3f475a7f57ac20c858364718c56aa
User & Date: drh 2011-07-28 16:43:50
Context
2011-07-28
18:47
Allow correlated references to list variables in the outer query to be used as data sources in scalar sub-queries. check-in: f00265864e user: dan tags: trunk
16:43
Add optional ASYNCHRONOUS and SYNCHRONOUS keywords in front of INSERT. check-in: 0030b61e78 user: drh tags: trunk
16:00
Add aggregate functions min(), max(), avg(), sum(), and array(). Enhance count() to accept either one or zero arguments. check-in: 0ef5e83925 user: dan tags: trunk
Changes
Hide Diffs Unified Diffs Ignore Whitespace Patch

Changes to src/parse.y. 

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upsert_opt(A) ::= .                       {A = 0;}
upsert_opt(A) ::= ELSE INSERT expr(X).    {A = X;}



////////////////////////// The INSERT command /////////////////////////////////
//
cmd(A) ::= INSERT INTO tabname(N) VALUE expr(V). {
  Command *pNew = xjd1PoolMallocZero(p->pPool, sizeof(*pNew));
  if( pNew ){
    pNew->eCmdType = TK_INSERT;
    pNew->u.ins.zName = tokenStr(p, &N);
    pNew->u.ins.pValue = V;
  }
  A = pNew;
}
cmd(A) ::= INSERT INTO tabname(N) select(Q). {
  Command *pNew = xjd1PoolMallocZero(p->pPool, sizeof(*pNew));
  if( pNew ){
    pNew->eCmdType = TK_INSERT;
    pNew->u.ins.zName = tokenStr(p, &N);
    pNew->u.ins.pQuery = Q;
  }
  A = pNew;
}




////////////////////////// The PRAGMA command /////////////////////////////////
//
%include {
  static Command *makePrag(Parse *p, Token *pName, Expr *pValue){
    Command *pNew = xjd1PoolMallocZero(p->pPool, sizeof(*pNew));
    if( pNew ){








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upsert_opt(A) ::= .                       {A = 0;}
upsert_opt(A) ::= ELSE INSERT expr(X).    {A = X;}



////////////////////////// The INSERT command /////////////////////////////////
//
cmd(A) ::= async INSERT INTO tabname(N) VALUE expr(V). {
  Command *pNew = xjd1PoolMallocZero(p->pPool, sizeof(*pNew));
  if( pNew ){
    pNew->eCmdType = TK_INSERT;
    pNew->u.ins.zName = tokenStr(p, &N);
    pNew->u.ins.pValue = V;
  }
  A = pNew;
}
cmd(A) ::= async INSERT INTO tabname(N) select(Q). {
  Command *pNew = xjd1PoolMallocZero(p->pPool, sizeof(*pNew));
  if( pNew ){
    pNew->eCmdType = TK_INSERT;
    pNew->u.ins.zName = tokenStr(p, &N);
    pNew->u.ins.pQuery = Q;
  }
  A = pNew;
}
async ::= .
async ::= ASYNC.
async ::= SYNC.

////////////////////////// The PRAGMA command /////////////////////////////////
//
%include {
  static Command *makePrag(Parse *p, Token *pName, Expr *pValue){
    Command *pNew = xjd1PoolMallocZero(p->pPool, sizeof(*pNew));
    if( pNew ){

Changes to src/tokenize.c. 

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  0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40   /* f8..ff    ........ */
};

/**********************************************************************
** The following code is automatically generated
** by ../tool/mkkeywordhash.c
*/
/* Hash score: 53 */
static int keywordCode(const char *z, int n){
  /* zText[] encodes 291 bytes of keywords in 210 bytes */
  /*   BEGINTORDEROLLBACKELSELECTGROUPDATEACHAVINGLOBYWITHINSERTALL       */
  /*   IKEXISTSASCENDINGCOLLATEXCEPTCOLLECTIONULLIMITCREATEDELETE         */
  /*   DESCENDINGDROPRAGMAFLATTENOTIFROMUNIONVALUEWHEREinullCOMMIT        */
  /*   DISTINCTINTERSECTOFFSETfalsetrue                                   */
  static const char zText[209] = {
    'B','E','G','I','N','T','O','R','D','E','R','O','L','L','B','A','C','K',
    'E','L','S','E','L','E','C','T','G','R','O','U','P','D','A','T','E','A',
    'C','H','A','V','I','N','G','L','O','B','Y','W','I','T','H','I','N','S',
    'E','R','T','A','L','L','I','K','E','X','I','S','T','S','A','S','C','E',

    'N','D','I','N','G','C','O','L','L','A','T','E','X','C','E','P','T','C',
    'O','L','L','E','C','T','I','O','N','U','L','L','I','M','I','T','C','R',
    'E','A','T','E','D','E','L','E','T','E','D','E','S','C','E','N','D','I',
    'N','G','D','R','O','P','R','A','G','M','A','F','L','A','T','T','E','N',
    'O','T','I','F','R','O','M','U','N','I','O','N','V','A','L','U','E','W',
    'H','E','R','E','i','n','u','l','l','C','O','M','M','I','T','D','I','S',
    'T','I','N','C','T','I','N','T','E','R','S','E','C','T','O','F','F','S',
    'E','T','f','a','l','s','e','t','r','u','e',
  };
  static const unsigned char aHash[80] = {
       0,  12,  37,  15,  42,   0,  38,   1,  40,   7,   0,  47,  23,
       8,  22,   0,   0,   4,  46,  10,  34,  32,  41,   0,   0,   0,
       0,  35,   0,   0,   0,  18,  13,   0,   0,  45,   0,   0,   6,
       0,   0,   0,   0,  36,   0,   0,   0,   0,   0,   0,   0,   0,
      21,  26,  44,  33,   9,  25,   0,   0,   0,   2,  19,  29,   0,
      43,   0,   0,   0,  31,   0,   0,  24,  27,   0,   0,  39,  28,
      14,   5,


  };
  static const unsigned char aNext[47] = {
       0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
      11,   0,   0,   0,   0,   0,   0,   0,   0,   0,  20,   0,   0,
       0,   0,   3,   0,   0,   0,   0,   0,  16,   0,   0,   0,   0,
       0,   0,  30,   0,   0,   0,   0,  17,


  };
  static const unsigned char aLen[47] = {
       5,   4,   5,   8,   4,   6,   5,   6,   4,   6,   4,   2,   6,
       6,   3,   4,   6,   2,   3,   9,   7,   6,  10,   4,   5,   6,

       6,   4,  10,   4,   6,   7,   3,   2,   4,   5,   5,   5,   2,
       4,   6,   8,   9,   6,   3,   5,   4,
  };
  static const unsigned short int aOffset[47] = {
       0,   3,   6,  10,  18,  20,  26,  29,  34,  37,  42,  45,  47,
      51,  57,  59,  62,  68,  68,  68,  77,  83,  89,  98, 101, 106,
     112, 118, 118, 128, 131, 137, 143, 146, 147, 151, 156, 161, 166,
     167, 171, 177, 185, 194, 197, 200, 205,


  };
  static const unsigned char aCode[47] = {
    TK_BEGIN,      TK_INTO,       TK_ORDER,      TK_ROLLBACK,   TK_ELSE,       
    TK_SELECT,     TK_GROUP,      TK_UPDATE,     TK_FLATTENOP,  TK_HAVING,     
    TK_LIKEOP,     TK_BY,         TK_WITHIN,     TK_INSERT,     TK_ALL,        
    TK_LIKEOP,     TK_EXISTS,     TK_AS,         TK_ASCENDING,  TK_ASCENDING,  

    TK_COLLATE,    TK_EXCEPT,     TK_COLLECTION, TK_NULL,       TK_LIMIT,      
    TK_CREATE,     TK_DELETE,     TK_DESCENDING, TK_DESCENDING, TK_DROP,       
    TK_PRAGMA,     TK_FLATTENOP,  TK_NOT,        TK_IF,         TK_FROM,       
    TK_UNION,      TK_VALUE,      TK_WHERE,      TK_IN,         TK_NULL,       
    TK_COMMIT,     TK_DISTINCT,   TK_INTERSECT,  TK_OFFSET,     TK_SET,        
    TK_FALSE,      TK_TRUE,       
  };
  int h, i;
  if( n<2 ) return TK_ID;
  h = (z[0]*4 ^ z[n-1]*3 ^ n) % 80;
  for(i=((int)aHash[h])-1; i>=0; i=((int)aNext[i])-1){
    if( aLen[i]==n && memcmp(&zText[aOffset[i]],z,n)==0 ){
      return aCode[i];
    }
  }
  return TK_ID;
}
#define XJD1_N_KEYWORD 47

/* End of the automatically generated hash code
*********************************************************************/

/*
** Return the length of the token that begins at z[0]. 
** Store the token type in *tokenType before returning.








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  0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40   /* f8..ff    ........ */
};

/**********************************************************************
** The following code is automatically generated
** by ../tool/mkkeywordhash.c
*/
/* Hash score: 59 */
static int keywordCode(const char *z, int n){
  /* zText[] encodes 327 bytes of keywords in 222 bytes */
  /*   BEGINTORDEROLLBACKELSELECTGROUPDATEACHAVINGLOBYWITHINSERTALL       */
  /*   IKEXISTSASCENDINGASYNCHRONOUSCOLLATEXCEPTCOLLECTIONULLIMIT         */
  /*   CREATEDELETEDESCENDINGDROPRAGMAFLATTENOTIFROMUNIONVALUEWHEREin     */
  /*   ullCOMMITDISTINCTINTERSECTOFFSETfalsetrue                          */
  static const char zText[221] = {
    'B','E','G','I','N','T','O','R','D','E','R','O','L','L','B','A','C','K',
    'E','L','S','E','L','E','C','T','G','R','O','U','P','D','A','T','E','A',
    'C','H','A','V','I','N','G','L','O','B','Y','W','I','T','H','I','N','S',
    'E','R','T','A','L','L','I','K','E','X','I','S','T','S','A','S','C','E',
    'N','D','I','N','G','A','S','Y','N','C','H','R','O','N','O','U','S','C',
    'O','L','L','A','T','E','X','C','E','P','T','C','O','L','L','E','C','T',
    'I','O','N','U','L','L','I','M','I','T','C','R','E','A','T','E','D','E',
    'L','E','T','E','D','E','S','C','E','N','D','I','N','G','D','R','O','P',
    'R','A','G','M','A','F','L','A','T','T','E','N','O','T','I','F','R','O',
    'M','U','N','I','O','N','V','A','L','U','E','W','H','E','R','E','i','n',
    'u','l','l','C','O','M','M','I','T','D','I','S','T','I','N','C','T','I',
    'N','T','E','R','S','E','C','T','O','F','F','S','E','T','f','a','l','s',
    'e','t','r','u','e',
  };
  static const unsigned char aHash[97] = {

       0,  35,   1,   0,   7,   0,  17,  27,   0,  26,   0,   0,  21,
       0,  41,  38,  36,  45,  42,   0,   0,   0,  39,   0,   0,   8,
      22,   0,   0,   4,   0,   0,   0,   0,   0,   0,   0,   0,   0,
       0,   0,   0,  43,   0,  13,   0,   0,  49,   0,   0,   6,   0,
       0,   0,  44,  40,   0,  51,  23,   0,   0,   0,   0,   0,  25,
      30,  48,  37,  20,  29,   0,   0,   0,   2,  18,  33,   0,  47,
       0,   0,   0,  50,   0,   0,  28,  31,   0,   0,   0,  32,  14,
       5,   0,   0,  24,  15,  46,
  };
  static const unsigned char aNext[51] = {
       0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
      11,   0,   0,   0,   0,   0,   9,   0,   0,   0,   0,   0,   0,


       0,  19,   0,   0,   0,   0,   3,   0,  12,   0,   0,   0,  16,
       0,  10,   0,   0,   0,   0,  34,   0,   0,   0,   0,   0,
  };
  static const unsigned char aLen[51] = {
       5,   4,   5,   8,   4,   6,   5,   6,   4,   6,   4,   2,   6,

       6,   3,   4,   6,   3,   9,   5,  12,   2,  11,   4,   7,   6,
      10,   4,   5,   6,   6,   4,  10,   4,   6,   7,   3,   2,   4,
       5,   5,   5,   2,   4,   6,   8,   9,   6,   3,   5,   4,
  };
  static const unsigned short int aOffset[51] = {
       0,   3,   6,  10,  18,  20,  26,  29,  34,  37,  42,  45,  47,
      51,  57,  59,  62,  68,  68,  77,  77,  77,  78,  78,  89,  95,


     101, 110, 113, 118, 124, 130, 130, 140, 143, 149, 155, 158, 159,
     163, 168, 173, 178, 179, 183, 189, 197, 206, 209, 212, 217,
  };
  static const unsigned char aCode[51] = {
    TK_BEGIN,      TK_INTO,       TK_ORDER,      TK_ROLLBACK,   TK_ELSE,       
    TK_SELECT,     TK_GROUP,      TK_UPDATE,     TK_FLATTENOP,  TK_HAVING,     
    TK_LIKEOP,     TK_BY,         TK_WITHIN,     TK_INSERT,     TK_ALL,        
    TK_LIKEOP,     TK_EXISTS,     TK_ASCENDING,  TK_ASCENDING,  TK_ASYNC,      
    TK_ASYNC,      TK_AS,         TK_SYNC,       TK_SYNC,       TK_COLLATE,    
    TK_EXCEPT,     TK_COLLECTION, TK_NULL,       TK_LIMIT,      TK_CREATE,     
    TK_DELETE,     TK_DESCENDING, TK_DESCENDING, TK_DROP,       TK_PRAGMA,     
    TK_FLATTENOP,  TK_NOT,        TK_IF,         TK_FROM,       TK_UNION,      
    TK_VALUE,      TK_WHERE,      TK_IN,         TK_NULL,       TK_COMMIT,     
    TK_DISTINCT,   TK_INTERSECT,  TK_OFFSET,     TK_SET,        TK_FALSE,      
    TK_TRUE,       
  };
  int h, i;
  if( n<2 ) return TK_ID;
  h = (z[0]*4 ^ z[n-1]*3 ^ n) % 97;
  for(i=((int)aHash[h])-1; i>=0; i=((int)aNext[i])-1){
    if( aLen[i]==n && memcmp(&zText[aOffset[i]],z,n)==0 ){
      return aCode[i];
    }
  }
  return TK_ID;
}
#define XJD1_N_KEYWORD 51

/* End of the automatically generated hash code
*********************************************************************/

/*
** Return the length of the token that begins at z[0]. 
** Store the token type in *tokenType before returning.

Changes to tool/mkkeywordhash.c. 

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** These are the keywords
*/
static Keyword aKeywordTable[] = {
  { "ALL",          "TK_ALL",        },
  { "ASCENDING",    "TK_ASCENDING",  },
  { "ASC",          "TK_ASCENDING",  },
  { "AS",           "TK_AS",         },


  { "BEGIN",        "TK_BEGIN",      },
  { "BY",           "TK_BY",         },
  { "COLLATE",      "TK_COLLATE",    },
  { "COLLECTION",   "TK_COLLECTION", },
  { "COMMIT",       "TK_COMMIT",     },
  { "CREATE",       "TK_CREATE",     },
  { "DISTINCT",     "TK_DISTINCT",   },
................................................................................
  { "null",         "TK_NULL",       },
  { "OFFSET",       "TK_OFFSET",     },
  { "ORDER",        "TK_ORDER",      },
  { "PRAGMA",       "TK_PRAGMA",     },
  { "ROLLBACK",     "TK_ROLLBACK",   },
  { "SELECT",       "TK_SELECT",     },
  { "SET",          "TK_SET",        },


  { "true",         "TK_TRUE",       },
  { "UNION",        "TK_UNION",      },
  { "UPDATE",       "TK_UPDATE",     },
  { "VALUE",        "TK_VALUE",      },
  { "WHERE",        "TK_WHERE",      },
  { "WITHIN",       "TK_WITHIN",     },
};








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** These are the keywords
*/
static Keyword aKeywordTable[] = {
  { "ALL",          "TK_ALL",        },
  { "ASCENDING",    "TK_ASCENDING",  },
  { "ASC",          "TK_ASCENDING",  },
  { "AS",           "TK_AS",         },
  { "ASYNCHRONOUS", "TK_ASYNC",      },
  { "ASYNC",        "TK_ASYNC",      },
  { "BEGIN",        "TK_BEGIN",      },
  { "BY",           "TK_BY",         },
  { "COLLATE",      "TK_COLLATE",    },
  { "COLLECTION",   "TK_COLLECTION", },
  { "COMMIT",       "TK_COMMIT",     },
  { "CREATE",       "TK_CREATE",     },
  { "DISTINCT",     "TK_DISTINCT",   },
................................................................................
  { "null",         "TK_NULL",       },
  { "OFFSET",       "TK_OFFSET",     },
  { "ORDER",        "TK_ORDER",      },
  { "PRAGMA",       "TK_PRAGMA",     },
  { "ROLLBACK",     "TK_ROLLBACK",   },
  { "SELECT",       "TK_SELECT",     },
  { "SET",          "TK_SET",        },
  { "SYNC",         "TK_SYNC",       },
  { "SYNCHRONOUS",  "TK_SYNC",       },
  { "true",         "TK_TRUE",       },
  { "UNION",        "TK_UNION",      },
  { "UPDATE",       "TK_UPDATE",     },
  { "VALUE",        "TK_VALUE",      },
  { "WHERE",        "TK_WHERE",      },
  { "WITHIN",       "TK_WITHIN",     },
};

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