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Remove unused fields from the Parse object. Documentation and formatting

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improvements on data structure definitions.

FossilOrigin-Name: 431556cac0b2c86d7f6a60412ff1023feeaafedf
This commit is contained in:
drh
2011-11-29 15:40:32 +00:00
parent 76a3acacea
commit d4e244ad56
5 changed files with 18 additions and 24 deletions
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21
src/sqliteInt.h
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@@ -2072,13 +2072,13 @@ struct Select {
** Allowed values for Select.selFlags. The "SF" prefix stands for
** "Select Flag".
*/
#define SF_Distinct 0x0001 /* Output should be DISTINCT */
#define SF_Resolved 0x0002 /* Identifiers have been resolved */
#define SF_Aggregate 0x0004 /* Contains aggregate functions */
#define SF_UsesEphemeral 0x0008 /* Uses the OpenEphemeral opcode */
#define SF_Expanded 0x0010 /* sqlite3SelectExpand() called on this */
#define SF_HasTypeInfo 0x0020 /* FROM subqueries have Table metadata */
#define SF_UseSorter 0x0040 /* Sort using a sorter */
#define SF_Distinct 0x01 /* Output should be DISTINCT */
#define SF_Resolved 0x02 /* Identifiers have been resolved */
#define SF_Aggregate 0x04 /* Contains aggregate functions */
#define SF_UsesEphemeral 0x08 /* Uses the OpenEphemeral opcode */
#define SF_Expanded 0x10 /* sqlite3SelectExpand() called on this */
#define SF_HasTypeInfo 0x20 /* FROM subqueries have Table metadata */
#define SF_UseSorter 0x40 /* Sort using a sorter */
/*
@@ -2193,10 +2193,8 @@ struct Parse {
char *zErrMsg; /* An error message */
Vdbe *pVdbe; /* An engine for executing database bytecode */
u8 colNamesSet; /* TRUE after OP_ColumnName has been issued to pVdbe */
u8 nameClash; /* A permanent table name clashes with temp table name */
u8 checkSchema; /* Causes schema cookie check after an error */
u8 nested; /* Number of nested calls to the parser/code generator */
u8 parseError; /* True after a parsing error. Ticket #1794 */
u8 nTempReg; /* Number of temporary registers in aTempReg[] */
u8 nTempInUse; /* Number of aTempReg[] currently checked out */
int aTempReg[8]; /* Holding area for temporary registers */
@@ -2209,8 +2207,8 @@ struct Parse {
int ckBase; /* Base register of data during check constraints */
int iCacheLevel; /* ColCache valid when aColCache[].iLevel<=iCacheLevel */
int iCacheCnt; /* Counter used to generate aColCache[].lru values */
u8 nColCache; /* Number of entries in the column cache */
u8 iColCache; /* Next entry of the cache to replace */
u8 nColCache; /* Number of entries in aColCache[] */
u8 iColCache; /* Next entry in aColCache[] to replace */
struct yColCache {
int iTable; /* Table cursor number */
int iColumn; /* Table column number */
@@ -2252,7 +2250,6 @@ struct Parse {
char **azVar; /* Pointers to names of parameters */
Vdbe *pReprepare; /* VM being reprepared (sqlite3Reprepare()) */
int nAlias; /* Number of aliased result set columns */
int nAliasAlloc; /* Number of allocated slots for aAlias[] */
int *aAlias; /* Register used to hold aliased result */
u8 explain; /* True if the EXPLAIN flag is found on the query */
Token sNameToken; /* Token with unqualified schema object name */