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Overview
Comment:Add the PRAGMA table_vinfo command (with an extra "v" before "info") that works like PRAGMA table_info (without the "v") except that it also shows hidden columns on virtual tables.
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SHA3-256:8bcd1a59560aa7ea73e6529e5c14ece8ac09bf7e99efdcfd388fead39846b6bf
User & Date: drh 2018-09-29 19:38:42
Context
2018-10-01
17:15
Bring the PRAGMA table_vinfo statement up to date with trunk. check-in: 6f606f99 user: drh tags: pragma-table-vinfo
2018-09-29
19:38
Add the PRAGMA table_vinfo command (with an extra "v" before "info") that works like PRAGMA table_info (without the "v") except that it also shows hidden columns on virtual tables. check-in: 8bcd1a59 user: drh tags: pragma-table-vinfo
2018-08-03
13:56
Improve "PRAGMA vdbe_trace=ON" to always show the key values for the OP_IdxGT and related opcodes. check-in: 0f881955 user: drh tags: trunk
Changes
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Changes to src/pragma.c.

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      int nHidden = 0;
      Column *pCol;
      Index *pPk = sqlite3PrimaryKeyIndex(pTab);
      pParse->nMem = 6;
      sqlite3CodeVerifySchema(pParse, iDb);
      sqlite3ViewGetColumnNames(pParse, pTab);
      for(i=0, pCol=pTab->aCol; i<pTab->nCol; i++, pCol++){
        if( IsHiddenColumn(pCol) ){
          nHidden++;
          continue;
        }
        if( (pCol->colFlags & COLFLAG_PRIMKEY)==0 ){
          k = 0;
        }else if( pPk==0 ){
          k = 1;







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      int nHidden = 0;
      Column *pCol;
      Index *pPk = sqlite3PrimaryKeyIndex(pTab);
      pParse->nMem = 6;
      sqlite3CodeVerifySchema(pParse, iDb);
      sqlite3ViewGetColumnNames(pParse, pTab);
      for(i=0, pCol=pTab->aCol; i<pTab->nCol; i++, pCol++){
        if( IsHiddenColumn(pCol) && pPragma->iArg==0 ){
          nHidden++;
          continue;
        }
        if( (pCol->colFlags & COLFLAG_PRIMKEY)==0 ){
          k = 0;
        }else if( pPk==0 ){
          k = 1;

Changes to src/pragma.h.

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/* Names of columns for pragmas that return multi-column result
** or that return single-column results where the name of the
** result column is different from the name of the pragma
*/
static const char *const pragCName[] = {
  /*   0 */ "cache_size",  /* Used by: default_cache_size */
  /*   1 */ "cid",         /* Used by: table_info */
  /*   2 */ "name",       
  /*   3 */ "type",       
  /*   4 */ "notnull",    
  /*   5 */ "dflt_value", 
  /*   6 */ "pk",         
  /*   7 */ "tbl",         /* Used by: stats */
  /*   8 */ "idx",        
................................................................................
#endif
#if !defined(SQLITE_OMIT_SCHEMA_PRAGMAS)
 {/* zName:     */ "table_info",
  /* ePragTyp:  */ PragTyp_TABLE_INFO,
  /* ePragFlg:  */ PragFlg_NeedSchema|PragFlg_Result1|PragFlg_SchemaOpt,
  /* ColNames:  */ 1, 6,
  /* iArg:      */ 0 },





#endif
#if !defined(SQLITE_OMIT_PAGER_PRAGMAS)
 {/* zName:     */ "temp_store",
  /* ePragTyp:  */ PragTyp_TEMP_STORE,
  /* ePragFlg:  */ PragFlg_Result0|PragFlg_NoColumns1,
  /* ColNames:  */ 0, 0,
  /* iArg:      */ 0 },
................................................................................
 {/* zName:     */ "writable_schema",
  /* ePragTyp:  */ PragTyp_FLAG,
  /* ePragFlg:  */ PragFlg_Result0|PragFlg_NoColumns1,
  /* ColNames:  */ 0, 0,
  /* iArg:      */ SQLITE_WriteSchema },
#endif
};
/* Number of pragmas: 60 on by default, 77 total. */







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/* Names of columns for pragmas that return multi-column result
** or that return single-column results where the name of the
** result column is different from the name of the pragma
*/
static const char *const pragCName[] = {
  /*   0 */ "cache_size",  /* Used by: default_cache_size */
  /*   1 */ "cid",         /* Used by: table_info table_vinfo */
  /*   2 */ "name",       
  /*   3 */ "type",       
  /*   4 */ "notnull",    
  /*   5 */ "dflt_value", 
  /*   6 */ "pk",         
  /*   7 */ "tbl",         /* Used by: stats */
  /*   8 */ "idx",        
................................................................................
#endif
#if !defined(SQLITE_OMIT_SCHEMA_PRAGMAS)
 {/* zName:     */ "table_info",
  /* ePragTyp:  */ PragTyp_TABLE_INFO,
  /* ePragFlg:  */ PragFlg_NeedSchema|PragFlg_Result1|PragFlg_SchemaOpt,
  /* ColNames:  */ 1, 6,
  /* iArg:      */ 0 },
 {/* zName:     */ "table_vinfo",
  /* ePragTyp:  */ PragTyp_TABLE_INFO,
  /* ePragFlg:  */ PragFlg_NeedSchema|PragFlg_Result1|PragFlg_SchemaOpt,
  /* ColNames:  */ 1, 6,
  /* iArg:      */ 1 },
#endif
#if !defined(SQLITE_OMIT_PAGER_PRAGMAS)
 {/* zName:     */ "temp_store",
  /* ePragTyp:  */ PragTyp_TEMP_STORE,
  /* ePragFlg:  */ PragFlg_Result0|PragFlg_NoColumns1,
  /* ColNames:  */ 0, 0,
  /* iArg:      */ 0 },
................................................................................
 {/* zName:     */ "writable_schema",
  /* ePragTyp:  */ PragTyp_FLAG,
  /* ePragFlg:  */ PragFlg_Result0|PragFlg_NoColumns1,
  /* ColNames:  */ 0, 0,
  /* iArg:      */ SQLITE_WriteSchema },
#endif
};
/* Number of pragmas: 61 on by default, 78 total. */

Changes to tool/mkpragmatab.tcl.

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  NAME: synchronous
  FLAG: NeedSchema Result0 SchemaReq NoColumns1
  IF:   !defined(SQLITE_OMIT_PAGER_PRAGMAS)

  NAME: table_info
  FLAG: NeedSchema Result1 SchemaOpt








  COLS: cid name type notnull dflt_value pk
  IF:   !defined(SQLITE_OMIT_SCHEMA_PRAGMAS)

  NAME: stats
  FLAG: NeedSchema Result0 SchemaReq
  COLS: tbl idx wdth hght flgs
  IF:   !defined(SQLITE_OMIT_SCHEMA_PRAGMAS) && defined(SQLITE_DEBUG)







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  NAME: synchronous
  FLAG: NeedSchema Result0 SchemaReq NoColumns1
  IF:   !defined(SQLITE_OMIT_PAGER_PRAGMAS)

  NAME: table_info
  FLAG: NeedSchema Result1 SchemaOpt
  ARG:  0
  COLS: cid name type notnull dflt_value pk
  IF:   !defined(SQLITE_OMIT_SCHEMA_PRAGMAS)

  NAME: table_vinfo
  TYPE: TABLE_INFO
  FLAG: NeedSchema Result1 SchemaOpt
  ARG:  1
  COLS: cid name type notnull dflt_value pk
  IF:   !defined(SQLITE_OMIT_SCHEMA_PRAGMAS)

  NAME: stats
  FLAG: NeedSchema Result0 SchemaReq
  COLS: tbl idx wdth hght flgs
  IF:   !defined(SQLITE_OMIT_SCHEMA_PRAGMAS) && defined(SQLITE_DEBUG)