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Overview
| Comment: | Expression generator bug fix. (CVS 2239) |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: |
39cf97a902523b1e3953da8fca698311 |
| User & Date: | drh 2005-01-20 01:51:26 |
Context
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2005-01-20
| ||
| 02:14 | Turn SQLITE_OMIT_CURSOR on by default. (CVS 2240) check-in: 2d3ab1ab user: drh tags: trunk | |
| 01:51 | Expression generator bug fix. (CVS 2239) check-in: 39cf97a9 user: drh tags: trunk | |
| 01:17 | Minor fix for sqlite3_clear_bindings(). (CVS 2238) check-in: ff5b338c user: danielk1977 tags: trunk | |
Changes
Changes to src/expr.c.
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** May you find forgiveness for yourself and forgive others. ** May you share freely, never taking more than you give. ** ************************************************************************* ** This file contains routines used for analyzing expressions and ** for generating VDBE code that evaluates expressions in SQLite. ** ** $Id: expr.c,v 1.182 2005/01/19 23:24:50 drh Exp $ */ #include "sqliteInt.h" #include <ctype.h> /* ** Return the 'affinity' of the expression pExpr if any. ** ................................................................................ NameContext *pNC; int nRef; Vdbe *v; int addr; pNC = pCoder->pNC; if( pNC ) nRef = pNC->nRef; v = sqlite3GetVdbe(pParse); addr = sqlite3VdbeAddOp(v, OP_Goto, 0, 0); pExpr->iColumn = pParse->nMem++; sqlite3Select(pParse, pExpr->pSelect, SRT_Mem,pExpr->iColumn,0,0,0,0,pNC); if( pNC && pNC->nRef>nRef ){ /* Subquery value changes. Evaluate at each use */ pExpr->iTable = addr+1; |
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** May you find forgiveness for yourself and forgive others. ** May you share freely, never taking more than you give. ** ************************************************************************* ** This file contains routines used for analyzing expressions and ** for generating VDBE code that evaluates expressions in SQLite. ** ** $Id: expr.c,v 1.183 2005/01/20 01:51:26 drh Exp $ */ #include "sqliteInt.h" #include <ctype.h> /* ** Return the 'affinity' of the expression pExpr if any. ** ................................................................................ NameContext *pNC; int nRef; Vdbe *v; int addr; pNC = pCoder->pNC; if( pNC ) nRef = pNC->nRef; sqlite3CodeVerifySchema(pParse, -1); /* Insert the cookie verifier Goto */ v = sqlite3GetVdbe(pParse); addr = sqlite3VdbeAddOp(v, OP_Goto, 0, 0); pExpr->iColumn = pParse->nMem++; sqlite3Select(pParse, pExpr->pSelect, SRT_Mem,pExpr->iColumn,0,0,0,0,pNC); if( pNC && pNC->nRef>nRef ){ /* Subquery value changes. Evaluate at each use */ pExpr->iTable = addr+1; |