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Overview
Comment:Minor comment changes to the OP_OpenEphemeral header. No changes to code.
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SHA1: 8e1d7ef47f643503aa823d9986a931a83c63648b
User & Date: drh 2010-04-05 15:11:09.000
Context
2010-04-07
07:57
Add file test_demovfs.c, containing a simple VFS implementation that demonstrates how writes to the journal file may be safely buffered by the VFS layer to improve performance on some embedded systems. (check-in: af3b72d94a user: dan tags: trunk)
2010-04-06
15:57
Automatically generate transient indices for tables in joins that would otherwise have to use a full table scan. (check-in: 1b2a04125f user: drh tags: experimental)
2010-04-05
15:11
Minor comment changes to the OP_OpenEphemeral header. No changes to code. (check-in: 8e1d7ef47f user: drh tags: trunk)
2010-04-03
13:08
Silently abandon a rollback if the journal has been truncated. (check-in: 7626f6c9ea user: drh tags: trunk)
Changes
Unified Diff Ignore Whitespace Patch
Changes to src/vdbe.c.
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  break;
}

/* Opcode: OpenEphemeral P1 P2 * P4 *
**
** Open a new cursor P1 to a transient table.
** The cursor is always opened read/write even if 
** the main database is read-only.  The transient or virtual
** table is deleted automatically when the cursor is closed.
**
** P2 is the number of columns in the virtual table.
** The cursor points to a BTree table if P4==0 and to a BTree index
** if P4 is not 0.  If P4 is not NULL, it points to a KeyInfo structure
** that defines the format of keys in the index.
**
** This opcode was once called OpenTemp.  But that created
** confusion because the term "temp table", might refer either
** to a TEMP table at the SQL level, or to a table opened by








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3064
3065
3066
3067
3068
3069
3070
3071
3072
3073
3074
3075
3076
3077
3078
3079
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3081

  break;
}

/* Opcode: OpenEphemeral P1 P2 * P4 *
**
** Open a new cursor P1 to a transient table.
** The cursor is always opened read/write even if 
** the main database is read-only.  The ephemeral
** table is deleted automatically when the cursor is closed.
**
** P2 is the number of columns in the ephemeral table.
** The cursor points to a BTree table if P4==0 and to a BTree index
** if P4 is not 0.  If P4 is not NULL, it points to a KeyInfo structure
** that defines the format of keys in the index.
**
** This opcode was once called OpenTemp.  But that created
** confusion because the term "temp table", might refer either
** to a TEMP table at the SQL level, or to a table opened by
︙︙