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Overview
| Comment: | In the VDBE, when an integer value will not fit into a 32-bit int, store it in a double instead. Ticket #408. (CVS 1064) |
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| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: |
7514c3db165e8cc5c696b2b345844949 |
| User & Date: | drh 2003-07-27 17:16:07 |
Context
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2003-07-27
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| 17:26 | Make sure the schema loader callback can handle EMPTY_RESULT_CALLBACKS being on. Ticket #406. (CVS 1065) check-in: 8c163fc0 user: drh tags: trunk | |
| 17:16 | In the VDBE, when an integer value will not fit into a 32-bit int, store it in a double instead. Ticket #408. (CVS 1064) check-in: 7514c3db user: drh tags: trunk | |
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2003-07-22
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| 13:20 | Version 2.8.5 (CVS 1063) check-in: 95fba440 user: drh tags: trunk | |
Changes
Changes to src/vdbe.c.
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** ** Various scripts scan this source file in order to generate HTML ** documentation, headers files, or other derived files. The formatting ** of the code in this file is, therefore, important. See other comments ** in this file for details. If in doubt, do not deviate from existing ** commenting and indentation practices when changing or adding code. ** ** $Id: vdbe.c,v 1.234 2003/07/22 09:24:45 danielk1977 Exp $ */ #include "sqliteInt.h" #include "os.h" #include <ctype.h> /* ** The makefile scans this source file and creates the following ................................................................................ static void hardRelease(Vdbe *p, int i){ sqliteFree(p->zStack[i]); p->zStack[i] = 0; p->aStack[i].flags &= ~(STK_Str|STK_Dyn|STK_Static|STK_Ephem); } /* ** Return TRUE if zNum is an integer and write ** the value of the integer into *pNum. ** ** Under Linux (RedHat 7.2) this routine is much faster than atoi() ** for converting strings into integers. */ static int toInt(const char *zNum, int *pNum){ int v = 0; int neg; if( *zNum=='-' ){ neg = 1; zNum++; }else if( *zNum=='+' ){ neg = 0; zNum++; }else{ neg = 0; } if( *zNum==0 ) return 0; while( isdigit(*zNum) ){ v = v*10 + *zNum - '0'; zNum++; } *pNum = neg ? -v : v; return *zNum==0; } /* ** Convert the given stack entity into a integer if it isn't one ** already. ** ** Any prior string or real representation is invalidated. |
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** ** Various scripts scan this source file in order to generate HTML ** documentation, headers files, or other derived files. The formatting ** of the code in this file is, therefore, important. See other comments ** in this file for details. If in doubt, do not deviate from existing ** commenting and indentation practices when changing or adding code. ** ** $Id: vdbe.c,v 1.235 2003/07/27 17:16:07 drh Exp $ */ #include "sqliteInt.h" #include "os.h" #include <ctype.h> /* ** The makefile scans this source file and creates the following ................................................................................ static void hardRelease(Vdbe *p, int i){ sqliteFree(p->zStack[i]); p->zStack[i] = 0; p->aStack[i].flags &= ~(STK_Str|STK_Dyn|STK_Static|STK_Ephem); } /* ** Return TRUE if zNum is a 32-bit signed integer and write ** the value of the integer into *pNum. If zNum is not an integer ** or is an integer that is too large to be expressed with just 32 ** bits, then return false. ** ** Under Linux (RedHat 7.2) this routine is much faster than atoi() ** for converting strings into integers. */ static int toInt(const char *zNum, int *pNum){ int v = 0; int neg; int i, c; if( *zNum=='-' ){ neg = 1; zNum++; }else if( *zNum=='+' ){ neg = 0; zNum++; }else{ neg = 0; } for(i=0; (c=zNum[i])>='0' && c<='9'; i++){ v = v*10 + c - '0'; } *pNum = neg ? -v : v; return c==0 && i>0 && (i<10 || (i==10 && memcmp(zNum,"2147483647",10)<=0)); } /* ** Convert the given stack entity into a integer if it isn't one ** already. ** ** Any prior string or real representation is invalidated. |
Changes to test/misc2.test.
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# #*********************************************************************** # This file implements regression tests for SQLite library. # # This file implements tests for miscellanous features that were # left out of other test files. # # $Id: misc2.test,v 1.4 2003/07/09 16:34:56 drh Exp $ set testdir [file dirname $argv0] source $testdir/tester.tcl # Test for ticket #360 # do_test misc2-1.1 { ................................................................................ # Check name binding precedence. Ticket #387 # do_test misc2-3.1 { catchsql { SELECT t1.b+t2.b AS a, t1.a, t2.a FROM t1, t2 WHERE a==10 } } {1 {ambiguous column name: a}} |
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# #*********************************************************************** # This file implements regression tests for SQLite library. # # This file implements tests for miscellanous features that were # left out of other test files. # # $Id: misc2.test,v 1.5 2003/07/27 17:16:08 drh Exp $ set testdir [file dirname $argv0] source $testdir/tester.tcl # Test for ticket #360 # do_test misc2-1.1 { ................................................................................ # Check name binding precedence. Ticket #387 # do_test misc2-3.1 { catchsql { SELECT t1.b+t2.b AS a, t1.a, t2.a FROM t1, t2 WHERE a==10 } } {1 {ambiguous column name: a}} # Make sure 32-bit integer overflow is handled properly in queries. # ticket #408 # do_test misc2-4.1 { execsql { INSERT INTO t1 VALUES(4000000000,'a','b'); SELECT a FROM t1 WHERE a>1; } } {4000000000} do_test misc2-4.2 { execsql { INSERT INTO t1 VALUES(2147483648,'b2','c2'); INSERT INTO t1 VALUES(2147483647,'b3','c3'); SELECT a FROM t1 WHERE a>2147483647; } } {4000000000 2147483648} do_test misc2-4.3 { execsql { SELECT a FROM t1 WHERE a<2147483648; } } {1 2147483647} do_test misc2-4.4 { execsql { SELECT a FROM t1 WHERE a<=2147483648; } } {1 2147483648 2147483647} do_test misc2-4.5 { execsql { SELECT a FROM t1 WHERE a<10000000000; } } {1 4000000000 2147483648 2147483647} do_test misc2-4.6 { execsql { SELECT a FROM t1 WHERE a<1000000000000 ORDER BY 1; } } {1 2147483647 2147483648 4000000000} |