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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
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: af3b72d9 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: 1b2a0412 user: drh tags: experimental
2010-04-05
15:11
Minor comment changes to the OP_OpenEphemeral header. No changes to code. check-in: 8e1d7ef4 user: drh tags: trunk
2010-04-03
13:08
Silently abandon a rollback if the journal has been truncated. check-in: 7626f6c9 user: drh tags: trunk
Changes
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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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  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