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Overview
Comment:Increase strictness of the new experimental functions and add more tests.
Downloads: Tarball | ZIP archive | SQL archive
Timelines: family | ancestors | descendants | both | toTypeFuncs
Files: files | file ages | folders
SHA1: 05c4463ec5f36dde50f6eb116624dc40142f2c8c
User & Date: mistachkin 2013-03-12 09:07:25
Context
2013-03-13
06:48
Rename the experimental todouble() function to toreal(), update comments. check-in: 12c318ef user: mistachkin tags: toTypeFuncs
2013-03-12
09:07
Increase strictness of the new experimental functions and add more tests. check-in: 05c4463e user: mistachkin tags: toTypeFuncs
2013-03-11
06:24
Add more tests. check-in: f9468e33 user: mistachkin tags: toTypeFuncs
Changes
Hide Diffs Unified Diffs Ignore Whitespace Patch

Changes to src/func.c. 

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** There is only one exported symbol in this file - the function
** sqliteRegisterBuildinFunctions() found at the bottom of the file.
** All other code has file scope.
*/
#include "sqliteInt.h"
#include <stdlib.h>
#include <assert.h>



#include "vdbeInt.h"

/*
** Return the collating function associated with a function.
*/
static CollSeq *sqlite3GetFuncCollSeq(sqlite3_context *context){
  return context->pColl;
................................................................................
  int argc,
  sqlite3_value **argv
){
  assert( argc==1 );
  UNUSED_PARAMETER(argc);
  switch( sqlite3_value_type(argv[0]) ){
    case SQLITE_FLOAT:













    case SQLITE_INTEGER: {
      sqlite3_result_int64(context, sqlite3_value_int64(argv[0]));
      break;
    }
    case SQLITE_BLOB:
    case SQLITE_TEXT: {
      const unsigned char *zStr = sqlite3_value_text(argv[0]);
................................................................................
  sqlite3_context *context,
  int argc,
  sqlite3_value **argv
){
  assert( argc==1 );
  UNUSED_PARAMETER(argc);
  switch( sqlite3_value_type(argv[0]) ){
    case SQLITE_FLOAT:



    case SQLITE_INTEGER: {



      sqlite3_result_double(context, sqlite3_value_double(argv[0]));



      break;
    }
    case SQLITE_BLOB:
    case SQLITE_TEXT: {
      const unsigned char *zStr = sqlite3_value_text(argv[0]);
      if( zStr ){
        int nStr = sqlite3_value_bytes(argv[0]);
        if( nStr ){








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** There is only one exported symbol in this file - the function
** sqliteRegisterBuildinFunctions() found at the bottom of the file.
** All other code has file scope.
*/
#include "sqliteInt.h"
#include <stdlib.h>
#include <assert.h>
#ifndef SQLITE_OMIT_FLOATING_POINT
# include <math.h>
#endif
#include "vdbeInt.h"

/*
** Return the collating function associated with a function.
*/
static CollSeq *sqlite3GetFuncCollSeq(sqlite3_context *context){
  return context->pColl;
................................................................................
  int argc,
  sqlite3_value **argv
){
  assert( argc==1 );
  UNUSED_PARAMETER(argc);
  switch( sqlite3_value_type(argv[0]) ){
    case SQLITE_FLOAT:
#ifndef SQLITE_OMIT_FLOATING_POINT
    {
      double rVal = sqlite3_value_double(argv[0]);
      double rIntVal = 0.0;
      if( !sqlite3IsNaN(rVal) && modf(rVal, &rIntVal)==0.0 &&
          rIntVal>=SMALLEST_INT64 && rIntVal<=LARGEST_INT64 ){
        sqlite3_result_int64(context, (i64)rIntVal);
        return;
      }
      sqlite3_result_null(context);
      break;
    }
#endif
    case SQLITE_INTEGER: {
      sqlite3_result_int64(context, sqlite3_value_int64(argv[0]));
      break;
    }
    case SQLITE_BLOB:
    case SQLITE_TEXT: {
      const unsigned char *zStr = sqlite3_value_text(argv[0]);
................................................................................
  sqlite3_context *context,
  int argc,
  sqlite3_value **argv
){
  assert( argc==1 );
  UNUSED_PARAMETER(argc);
  switch( sqlite3_value_type(argv[0]) ){
    case SQLITE_FLOAT: {
      sqlite3_result_double(context, sqlite3_value_double(argv[0]));
      break;
    }
    case SQLITE_INTEGER: {
      i64 iVal = sqlite3_value_int64(argv[0]);
      double rVal = (double)iVal;
      if( iVal==rVal ){
        sqlite3_result_double(context, rVal);
        return;
      }
      sqlite3_result_null(context);
      break;
    }
    case SQLITE_BLOB:
    case SQLITE_TEXT: {
      const unsigned char *zStr = sqlite3_value_text(argv[0]);
      if( zStr ){
        int nStr = sqlite3_value_bytes(argv[0]);
        if( nStr ){

Changes to src/sqliteInt.h. 

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# ifndef SQLITE_BIG_DBL
#   define SQLITE_BIG_DBL (((sqlite3_int64)1)<<50)
# endif
# define SQLITE_OMIT_DATETIME_FUNCS 1
# define SQLITE_OMIT_TRACE 1
# undef SQLITE_MIXED_ENDIAN_64BIT_FLOAT
# undef SQLITE_HAVE_ISNAN


#endif
#ifndef SQLITE_BIG_DBL
# define SQLITE_BIG_DBL (1e99)
#endif

/*
** OMIT_TEMPDB is set to 1 if SQLITE_OMIT_TEMPDB is defined, or 0








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# ifndef SQLITE_BIG_DBL
#   define SQLITE_BIG_DBL (((sqlite3_int64)1)<<50)
# endif
# define SQLITE_OMIT_DATETIME_FUNCS 1
# define SQLITE_OMIT_TRACE 1
# undef SQLITE_MIXED_ENDIAN_64BIT_FLOAT
# undef SQLITE_HAVE_ISNAN
#else
# include <math.h>
#endif
#ifndef SQLITE_BIG_DBL
# define SQLITE_BIG_DBL (1e99)
#endif

/*
** OMIT_TEMPDB is set to 1 if SQLITE_OMIT_TEMPDB is defined, or 0

Changes to test/func4.test. 

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  SELECT tointeger(0);
} {0}
do_execsql_test func4-1.[incr i] {
  SELECT tointeger(1);
} {1}
do_execsql_test func4-1.[incr i] {
  SELECT tointeger(-1.79769313486232e308 - 1);
} {-9223372036854775808}
do_execsql_test func4-1.[incr i] {
  SELECT tointeger(-1.79769313486232e308);
} {-9223372036854775808}
do_execsql_test func4-1.[incr i] {
  SELECT tointeger(-1.79769313486232e308 + 1);
} {-9223372036854775808}
do_execsql_test func4-1.[incr i] {
  SELECT tointeger(-9223372036854775808 - 1);
} {-9223372036854775808}
do_execsql_test func4-1.[incr i] {
  SELECT tointeger(-9223372036854775808);
} {-9223372036854775808}
do_execsql_test func4-1.[incr i] {
................................................................................
  SELECT tointeger(9223372036854775807);
} {9223372036854775807}
do_execsql_test func4-1.[incr i] {
  SELECT tointeger(9223372036854775807 + 1);
} {-9223372036854775808}
do_execsql_test func4-1.[incr i] {
  SELECT tointeger(1.79769313486232e308 - 1);
} {-9223372036854775808}
do_execsql_test func4-1.[incr i] {
  SELECT tointeger(1.79769313486232e308);
} {-9223372036854775808}
do_execsql_test func4-1.[incr i] {
  SELECT tointeger(1.79769313486232e308 + 1);
} {-9223372036854775808}
do_execsql_test func4-1.[incr i] {
  SELECT tointeger(4503599627370496 - 1);
} {4503599627370495}
do_execsql_test func4-1.[incr i] {
  SELECT tointeger(4503599627370496);
} {4503599627370496}
do_execsql_test func4-1.[incr i] {
................................................................................
  SELECT tointeger(9223372036854775808);
} {-9223372036854775808}
do_execsql_test func4-1.[incr i] {
  SELECT tointeger(9223372036854775808 + 1);
} {-9223372036854775808}
do_execsql_test func4-1.[incr i] {
  SELECT tointeger(18446744073709551616 - 1);
} {-9223372036854775808}
do_execsql_test func4-1.[incr i] {
  SELECT tointeger(18446744073709551616);
} {-9223372036854775808}
do_execsql_test func4-1.[incr i] {
  SELECT tointeger(18446744073709551616 + 1);
} {-9223372036854775808}

ifcapable floatingpoint {
  set i 0
  do_execsql_test func4-2.[incr i] {
    SELECT todouble(NULL);
  } {{}}
  do_execsql_test func4-2.[incr i] {
................................................................................
  } {1 {constraint failed}}
  do_test func4-3.[incr i] {
    catchsql {
      INSERT INTO t1 (x) VALUES ('1234bad');
    }
  } {1 {constraint failed}}
  do_test func4-3.[incr i] {





    catchsql {
      INSERT INTO t1 (x) VALUES (1234);
    }
  } {0 {}}
  do_test func4-3.[incr i] {
    catchsql {
      INSERT INTO t1 (x) VALUES (1234.56);
................................................................................
    catchsql {
      INSERT INTO t1 (x) VALUES (X'12345678');
    }
  } {1 {constraint failed}}
  do_execsql_test func4-3.[incr i] {
    SELECT x FROM t1 ORDER BY x;
  } {1234 1234}
}



















































































finish_test








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  SELECT tointeger(0);
} {0}
do_execsql_test func4-1.[incr i] {
  SELECT tointeger(1);
} {1}
do_execsql_test func4-1.[incr i] {
  SELECT tointeger(-1.79769313486232e308 - 1);
} {{}}
do_execsql_test func4-1.[incr i] {
  SELECT tointeger(-1.79769313486232e308);
} {{}}
do_execsql_test func4-1.[incr i] {
  SELECT tointeger(-1.79769313486232e308 + 1);
} {{}}
do_execsql_test func4-1.[incr i] {
  SELECT tointeger(-9223372036854775808 - 1);
} {-9223372036854775808}
do_execsql_test func4-1.[incr i] {
  SELECT tointeger(-9223372036854775808);
} {-9223372036854775808}
do_execsql_test func4-1.[incr i] {
................................................................................
  SELECT tointeger(9223372036854775807);
} {9223372036854775807}
do_execsql_test func4-1.[incr i] {
  SELECT tointeger(9223372036854775807 + 1);
} {-9223372036854775808}
do_execsql_test func4-1.[incr i] {
  SELECT tointeger(1.79769313486232e308 - 1);
} {{}}
do_execsql_test func4-1.[incr i] {
  SELECT tointeger(1.79769313486232e308);
} {{}}
do_execsql_test func4-1.[incr i] {
  SELECT tointeger(1.79769313486232e308 + 1);
} {{}}
do_execsql_test func4-1.[incr i] {
  SELECT tointeger(4503599627370496 - 1);
} {4503599627370495}
do_execsql_test func4-1.[incr i] {
  SELECT tointeger(4503599627370496);
} {4503599627370496}
do_execsql_test func4-1.[incr i] {
................................................................................
  SELECT tointeger(9223372036854775808);
} {-9223372036854775808}
do_execsql_test func4-1.[incr i] {
  SELECT tointeger(9223372036854775808 + 1);
} {-9223372036854775808}
do_execsql_test func4-1.[incr i] {
  SELECT tointeger(18446744073709551616 - 1);
} {{}}
do_execsql_test func4-1.[incr i] {
  SELECT tointeger(18446744073709551616);
} {{}}
do_execsql_test func4-1.[incr i] {
  SELECT tointeger(18446744073709551616 + 1);
} {{}}

ifcapable floatingpoint {
  set i 0
  do_execsql_test func4-2.[incr i] {
    SELECT todouble(NULL);
  } {{}}
  do_execsql_test func4-2.[incr i] {
................................................................................
  } {1 {constraint failed}}
  do_test func4-3.[incr i] {
    catchsql {
      INSERT INTO t1 (x) VALUES ('1234bad');
    }
  } {1 {constraint failed}}
  do_test func4-3.[incr i] {
    catchsql {
      INSERT INTO t1 (x) VALUES ('1234.56bad');
    }
  } {1 {constraint failed}}
  do_test func4-3.[incr i] {
    catchsql {
      INSERT INTO t1 (x) VALUES (1234);
    }
  } {0 {}}
  do_test func4-3.[incr i] {
    catchsql {
      INSERT INTO t1 (x) VALUES (1234.56);
................................................................................
    catchsql {
      INSERT INTO t1 (x) VALUES (X'12345678');
    }
  } {1 {constraint failed}}
  do_execsql_test func4-3.[incr i] {
    SELECT x FROM t1 ORDER BY x;
  } {1234 1234}

  ifcapable floatingpoint {
    set i 0
    do_execsql_test func4-4.[incr i] {
      CREATE TABLE t2(
        x REAL CHECK(todouble(x) IS NOT NULL)
      );
    } {}
    do_test func4-4.[incr i] {
      catchsql {
        INSERT INTO t2 (x) VALUES (NULL);
      }
    } {1 {constraint failed}}
    do_test func4-4.[incr i] {
      catchsql {
        INSERT INTO t2 (x) VALUES (NULL);
      }
    } {1 {constraint failed}}
    do_test func4-4.[incr i] {
      catchsql {
        INSERT INTO t2 (x) VALUES ('');
      }
    } {1 {constraint failed}}
    do_test func4-4.[incr i] {
      catchsql {
        INSERT INTO t2 (x) VALUES ('bad');
      }
    } {1 {constraint failed}}
    do_test func4-4.[incr i] {
      catchsql {
        INSERT INTO t2 (x) VALUES ('1234bad');
      }
    } {1 {constraint failed}}
    do_test func4-4.[incr i] {
      catchsql {
        INSERT INTO t2 (x) VALUES ('1234.56bad');
      }
    } {1 {constraint failed}}
    do_test func4-4.[incr i] {
      catchsql {
        INSERT INTO t2 (x) VALUES (1234);
      }
    } {0 {}}
    do_test func4-4.[incr i] {
      catchsql {
        INSERT INTO t2 (x) VALUES (1234.56);
      }
    } {0 {}}
    do_test func4-4.[incr i] {
      catchsql {
        INSERT INTO t2 (x) VALUES ('1234');
      }
    } {0 {}}
    do_test func4-4.[incr i] {
      catchsql {
        INSERT INTO t2 (x) VALUES ('1234.56');
      }
    } {0 {}}
    do_test func4-4.[incr i] {
      catchsql {
        INSERT INTO t2 (x) VALUES (ZEROBLOB(4));
      }
    } {1 {constraint failed}}
    do_test func4-4.[incr i] {
      catchsql {
        INSERT INTO t2 (x) VALUES (X'');
      }
    } {1 {constraint failed}}
    do_test func4-4.[incr i] {
      catchsql {
        INSERT INTO t2 (x) VALUES (X'1234');
      }
    } {1 {constraint failed}}
    do_test func4-4.[incr i] {
      catchsql {
        INSERT INTO t2 (x) VALUES (X'12345678');
      }
    } {1 {constraint failed}}
    do_execsql_test func4-4.[incr i] {
      SELECT x FROM t2 ORDER BY x;
    } {1234.0 1234.0 1234.56 1234.56}
  }
}

finish_test

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