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Improvement to the INSERT optimization of check-in [16ac213c57196361] so

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that it works with SQLITE_ENABLE_HIDDEN_COLUMN but is also easier to maintain
and a little faster as well.

FossilOrigin-Name: f985a78ecc0c6d9ff671c730a109d97dc781b06e47a0ab03f441cea5d021a4c3
This commit is contained in:
drh
2021-02-18 15:45:34 +00:00
parent 39065807dd
commit 6f6e60ddb1
7 changed files with 29 additions and 19 deletions
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15
src/sqliteInt.h
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@@ -2015,7 +2015,12 @@ struct Column {
u16 colFlags; /* Boolean properties. See COLFLAG_ defines below */
};
/* Allowed values for Column.colFlags:
/* Allowed values for Column.colFlags.
**
** Constraints:
** TF_HasVirtual == COLFLAG_VIRTUAL
** TF_HasStored == COLFLAG_STORED
** TF_HasHidden == COLFLAG_HIDDEN
*/
#define COLFLAG_PRIMKEY 0x0001 /* Column is part of the primary key */
#define COLFLAG_HIDDEN 0x0002 /* A hidden column in a virtual table */
@@ -2204,11 +2209,12 @@ struct Table {
**
** Constraints:
**
** TF_HasVirtual == COLFLAG_Virtual
** TF_HasStored == COLFLAG_Stored
** TF_HasVirtual == COLFLAG_VIRTUAL
** TF_HasStored == COLFLAG_STORED
** TF_HasHidden == COLFLAG_HIDDEN
*/
#define TF_Readonly 0x0001 /* Read-only system table */
#define TF_Ephemeral 0x0002 /* An ephemeral table */
#define TF_HasHidden 0x0002 /* Has one or more hidden columns */
#define TF_HasPrimaryKey 0x0004 /* Table has a primary key */
#define TF_Autoincrement 0x0008 /* Integer primary key is autoincrement */
#define TF_HasStat1 0x0010 /* nRowLogEst set from sqlite_stat1 */
@@ -2223,6 +2229,7 @@ struct Table {
#define TF_HasNotNull 0x0800 /* Contains NOT NULL constraints */
#define TF_Shadow 0x1000 /* True for a shadow table */
#define TF_HasStat4 0x2000 /* STAT4 info available for this table */
#define TF_Ephemeral 0x4000 /* An ephemeral table */
/*
** Test to see whether or not a table is a virtual table. This is