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Overview
| Comment: | Fix a minor problem in the code for determining whether or not an SQL statement is SQLITE_TOOBIG. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | exp-window-functions |
| Files: | files | file ages | folders |
| SHA3-256: |
763e6c9e2bbc0a6ef8d8361069bf7160 |
| User & Date: | dan 2018-06-30 20:00:35 |
Context
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2018-06-30
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| 20:15 | Merge implementation of SQL window functions from the exp-window-functions into trunk. check-in: 17198a12 user: dan tags: trunk | |
| 20:00 | Fix a minor problem in the code for determining whether or not an SQL statement is SQLITE_TOOBIG. Closed-Leaf check-in: 763e6c9e user: dan tags: exp-window-functions | |
| 19:12 | Merge all changes from the weak-fallback branch except those related to the weak-fallback feature itself. check-in: aad718fb user: dan tags: exp-window-functions | |
Changes
Changes to src/alter.c.
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/* Advance zCsr to the next token. Store that token type in 'token',
** and its length in 'len' (to be used next iteration of this loop).
*/
do {
zCsr += len;
len = sqlite3GetToken(zCsr, &token);
} while( token==TK_SPACE );
assert( len>0 );
} while( token!=TK_LP && token!=TK_USING );
zRet = sqlite3MPrintf(db, "%.*s\"%w\"%s", (int)(((u8*)tname.z) - zSql),
zSql, zTableName, tname.z+tname.n);
sqlite3_result_text(context, zRet, -1, SQLITE_DYNAMIC);
}
}
................................................................................
/* Advance zCsr to the next token. Store that token type in 'token',
** and its length in 'len' (to be used next iteration of this loop).
*/
do {
zCsr += len;
len = sqlite3GetToken(zCsr, &token);
}while( token==TK_SPACE );
assert( len>0 );
/* Variable 'dist' stores the number of tokens read since the most
** recent TK_DOT or TK_ON. This means that when a WHEN, FOR or BEGIN
** token is read and 'dist' equals 2, the condition stated above
** to be met.
**
** Note that ON cannot be a database, table or column name, so
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/* Advance zCsr to the next token. Store that token type in 'token',
** and its length in 'len' (to be used next iteration of this loop).
*/
do {
zCsr += len;
len = sqlite3GetToken(zCsr, &token);
} while( token==TK_SPACE );
assert( len>0 || !*zCsr );
} while( token!=TK_LP && token!=TK_USING );
zRet = sqlite3MPrintf(db, "%.*s\"%w\"%s", (int)(((u8*)tname.z) - zSql),
zSql, zTableName, tname.z+tname.n);
sqlite3_result_text(context, zRet, -1, SQLITE_DYNAMIC);
}
}
................................................................................
/* Advance zCsr to the next token. Store that token type in 'token',
** and its length in 'len' (to be used next iteration of this loop).
*/
do {
zCsr += len;
len = sqlite3GetToken(zCsr, &token);
}while( token==TK_SPACE );
assert( len>0 || !*zCsr );
/* Variable 'dist' stores the number of tokens read since the most
** recent TK_DOT or TK_ON. This means that when a WHEN, FOR or BEGIN
** token is read and 'dist' equals 2, the condition stated above
** to be met.
**
** Note that ON cannot be a database, table or column name, so
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Changes to src/tokenize.c.
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#define CC_STAR 21 /* '*' */
#define CC_PERCENT 22 /* '%' */
#define CC_COMMA 23 /* ',' */
#define CC_AND 24 /* '&' */
#define CC_TILDA 25 /* '~' */
#define CC_DOT 26 /* '.' */
#define CC_ILLEGAL 27 /* Illegal character */
static const unsigned char aiClass[] = {
#ifdef SQLITE_ASCII
/* x0 x1 x2 x3 x4 x5 x6 x7 x8 x9 xa xb xc xd xe xf */
/* 0x */ 27, 27, 27, 27, 27, 27, 27, 27, 27, 7, 7, 27, 7, 7, 27, 27,
/* 1x */ 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27,
/* 2x */ 7, 15, 8, 5, 4, 22, 24, 8, 17, 18, 21, 20, 23, 11, 26, 16,
/* 3x */ 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 5, 19, 12, 14, 13, 6,
/* 4x */ 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
/* 5x */ 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 9, 27, 27, 27, 1,
/* 6x */ 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
/* 7x */ 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 27, 10, 27, 25, 27,
................................................................................
#endif
/* If it is not a BLOB literal, then it must be an ID, since no
** SQL keywords start with the letter 'x'. Fall through */
}
case CC_ID: {
i = 1;
break;
}
default: {
*tokenType = TK_ILLEGAL;
return 1;
}
}
while( IdChar(z[i]) ){ i++; }
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#define CC_STAR 21 /* '*' */ #define CC_PERCENT 22 /* '%' */ #define CC_COMMA 23 /* ',' */ #define CC_AND 24 /* '&' */ #define CC_TILDA 25 /* '~' */ #define CC_DOT 26 /* '.' */ #define CC_ILLEGAL 27 /* Illegal character */ #define CC_NUL 28 /* 0x00 */ static const unsigned char aiClass[] = { #ifdef SQLITE_ASCII /* x0 x1 x2 x3 x4 x5 x6 x7 x8 x9 xa xb xc xd xe xf */ /* 0x */ 28, 27, 27, 27, 27, 27, 27, 27, 27, 7, 7, 27, 7, 7, 27, 27, /* 1x */ 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, /* 2x */ 7, 15, 8, 5, 4, 22, 24, 8, 17, 18, 21, 20, 23, 11, 26, 16, /* 3x */ 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 5, 19, 12, 14, 13, 6, /* 4x */ 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, /* 5x */ 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 9, 27, 27, 27, 1, /* 6x */ 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, /* 7x */ 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 27, 10, 27, 25, 27, ................................................................................ #endif /* If it is not a BLOB literal, then it must be an ID, since no ** SQL keywords start with the letter 'x'. Fall through */ } case CC_ID: { i = 1; break; } case CC_NUL: { *tokenType = TK_ILLEGAL; return 0; } default: { *tokenType = TK_ILLEGAL; return 1; } } while( IdChar(z[i]) ){ i++; } |