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Overview
| Comment: | Always enable the OP_Blob opcode in the VDBE even when SQLITE_OMIT_BLOB_LITERAL is defined, since that opcode is used for other purposes as well. Ticket #3518. (CVS 5974) |
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| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: |
760333de65328281137e02423904f860 |
| User & Date: | drh 2008-12-04 12:17:30 |
Context
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2008-12-04
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| 12:26 | Fix a memory leak in the shell that occurs when a ".import" command fails. Ticket #3517 (CVS 5975) check-in: cb9c1543 user: drh tags: trunk | |
| 12:17 | Always enable the OP_Blob opcode in the VDBE even when SQLITE_OMIT_BLOB_LITERAL is defined, since that opcode is used for other purposes as well. Ticket #3518. (CVS 5974) check-in: 760333de user: drh tags: trunk | |
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2008-12-03
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| 23:23 | Allow the entire FROM clause of a SELECT statement to be in parentheses. (CVS 5973) check-in: 72ebc8cb 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 1.788 2008/11/17 15:31:48 danielk1977 Exp $ */ #include "sqliteInt.h" #include <ctype.h> #include "vdbeInt.h" /* ** The following global variable is incremented every time a cursor ................................................................................ ** Write a NULL into register P2. */ case OP_Null: { /* out2-prerelease */ break; } #ifndef SQLITE_OMIT_BLOB_LITERAL /* Opcode: Blob P1 P2 * P4 ** ** P4 points to a blob of data P1 bytes long. Store this ** blob in register P2. This instruction is not coded directly ** by the compiler. Instead, the compiler layer specifies ** an OP_HexBlob opcode, with the hex string representation of ** the blob as P4. This opcode is transformed to an OP_Blob ................................................................................ case OP_Blob: { /* out2-prerelease */ assert( pOp->p1 <= SQLITE_MAX_LENGTH ); sqlite3VdbeMemSetStr(pOut, pOp->p4.z, pOp->p1, 0, 0); pOut->enc = encoding; UPDATE_MAX_BLOBSIZE(pOut); break; } #endif /* SQLITE_OMIT_BLOB_LITERAL */ /* Opcode: Variable P1 P2 * * * ** ** The value of variable P1 is written into register P2. A variable is ** an unknown in the original SQL string as handed to sqlite3_compile(). ** Any occurrence of the '?' character in the original SQL is considered ** a variable. Variables in the SQL string are number from left to |
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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 1.789 2008/12/04 12:17:30 drh Exp $ */ #include "sqliteInt.h" #include <ctype.h> #include "vdbeInt.h" /* ** The following global variable is incremented every time a cursor ................................................................................ ** Write a NULL into register P2. */ case OP_Null: { /* out2-prerelease */ break; } /* Opcode: Blob P1 P2 * P4 ** ** P4 points to a blob of data P1 bytes long. Store this ** blob in register P2. This instruction is not coded directly ** by the compiler. Instead, the compiler layer specifies ** an OP_HexBlob opcode, with the hex string representation of ** the blob as P4. This opcode is transformed to an OP_Blob ................................................................................ case OP_Blob: { /* out2-prerelease */ assert( pOp->p1 <= SQLITE_MAX_LENGTH ); sqlite3VdbeMemSetStr(pOut, pOp->p4.z, pOp->p1, 0, 0); pOut->enc = encoding; UPDATE_MAX_BLOBSIZE(pOut); break; } /* Opcode: Variable P1 P2 * * * ** ** The value of variable P1 is written into register P2. A variable is ** an unknown in the original SQL string as handed to sqlite3_compile(). ** Any occurrence of the '?' character in the original SQL is considered ** a variable. Variables in the SQL string are number from left to |