/*
** Implementation of FTS5 xRename method. Rename an fts5 table.
*/
static int fts5RenameMethod(
  sqlite3_vtab *pVtab,            /* Virtual table handle */
  const char *zName               /* New name of table */
){
  int rc = SQLITE_OK;
  return rc;
}

/*
** The xSavepoint() method.
**
** Flush the contents of the pending-terms table to disk.
*/

/*
** Implementation of FTS5 xRename method. Rename an fts5 table.
*/
static int fts5RenameMethod(
  sqlite3_vtab *pVtab,            /* Virtual table handle */
  const char *zName               /* New name of table */
){
  Fts5Table *pTab = (Fts5Table*)pVtab;
  return sqlite3Fts5StorageRename(pTab->pStorage, zName);
}

/*
** The xSavepoint() method.
**
** Flush the contents of the pending-terms table to disk.
*/

#define FTS5_STMT_SCAN_DESC 1     /* SELECT rowid, * FROM ... ORDER BY 1 DESC */
#define FTS5_STMT_LOOKUP    2     /* SELECT rowid, * FROM ... WHERE rowid=? */

typedef struct Fts5Storage Fts5Storage;

int sqlite3Fts5StorageOpen(Fts5Config*, Fts5Index*, int, Fts5Storage**, char**);
int sqlite3Fts5StorageClose(Fts5Storage *p);


int sqlite3Fts5DropAll(Fts5Config*);
int sqlite3Fts5CreateTable(Fts5Config*, const char*, const char*, int, char **);

int sqlite3Fts5StorageDelete(Fts5Storage *p, i64);
int sqlite3Fts5StorageInsert(Fts5Storage *p, sqlite3_value **apVal, int, i64*);

#define FTS5_STMT_SCAN_DESC 1     /* SELECT rowid, * FROM ... ORDER BY 1 DESC */
#define FTS5_STMT_LOOKUP    2     /* SELECT rowid, * FROM ... WHERE rowid=? */

typedef struct Fts5Storage Fts5Storage;

int sqlite3Fts5StorageOpen(Fts5Config*, Fts5Index*, int, Fts5Storage**, char**);
int sqlite3Fts5StorageClose(Fts5Storage *p);
int sqlite3Fts5StorageRename(Fts5Storage*, const char *zName);

int sqlite3Fts5DropAll(Fts5Config*);
int sqlite3Fts5CreateTable(Fts5Config*, const char*, const char*, int, char **);

int sqlite3Fts5StorageDelete(Fts5Storage *p, i64);
int sqlite3Fts5StorageInsert(Fts5Storage *p, sqlite3_value **apVal, int, i64*);

    rc = fts5ExecPrintf(pConfig->db, 0, 
        "DROP TABLE IF EXISTS %Q.'%q_content';",
        pConfig->zDb, pConfig->zName
    );
  }
  return rc;
}






























/*
** Create the shadow table named zPost, with definition zDefn. Return
** SQLITE_OK if successful, or an SQLite error code otherwise.
*/
int sqlite3Fts5CreateTable(
  Fts5Config *pConfig,            /* FTS5 configuration */

    rc = fts5ExecPrintf(pConfig->db, 0, 
        "DROP TABLE IF EXISTS %Q.'%q_content';",
        pConfig->zDb, pConfig->zName
    );
  }
  return rc;
}

static void fts5StorageRenameOne(
  Fts5Config *pConfig,            /* Current FTS5 configuration */
  int *pRc,                       /* IN/OUT: Error code */
  const char *zTail,              /* Tail of table name e.g. "data", "config" */
  const char *zName               /* New name of FTS5 table */
){
  if( *pRc==SQLITE_OK ){
    *pRc = fts5ExecPrintf(pConfig->db, 0, 
        "ALTER TABLE %Q.'%q_%s' RENAME TO '%q_%s';",
        pConfig->zDb, pConfig->zName, zTail, zName, zTail
    );
  }
}

int sqlite3Fts5StorageRename(Fts5Storage *pStorage, const char *zName){
  Fts5Config *pConfig = pStorage->pConfig;
  int rc = sqlite3Fts5StorageSync(pStorage, 1);

  fts5StorageRenameOne(pConfig, &rc, "data", zName);
  fts5StorageRenameOne(pConfig, &rc, "config", zName);
  if( pConfig->bColumnsize ){
    fts5StorageRenameOne(pConfig, &rc, "docsize", zName);
  }
  if( pConfig->eContent==FTS5_CONTENT_NORMAL ){
    fts5StorageRenameOne(pConfig, &rc, "content", zName);
  }
  return rc;
}

/*
** Create the shadow table named zPost, with definition zDefn. Return
** SQLITE_OK if successful, or an SQLite error code otherwise.
*/
int sqlite3Fts5CreateTable(
  Fts5Config *pConfig,            /* FTS5 configuration */

# 2015 Jun 10
#
# The author disclaims copyright to this source code.  In place of
# a legal notice, here is a blessing:
#
#    May you do good and not evil.
#    May you find forgiveness for yourself and forgive others.
#    May you share freely, never taking more than you give.
#
#***********************************************************************
#
# The tests in this file focus on renaming FTS5 tables using the
# "ALTER TABLE ... RENAME TO ..." command
#

source [file join [file dirname [info script]] fts5_common.tcl]
set testprefix fts5alter


#-------------------------------------------------------------------------
# Test renaming regular, contentless and columnsize=0 FTS5 tables.
#
do_execsql_test 1.1.0 {
  CREATE VIRTUAL TABLE "a x" USING fts5(a, x);
  INSERT INTO "a x" VALUES('a a a', 'x x x');
  ALTER TABLE "a x" RENAME TO "x y";
}
do_execsql_test 1.1.1 {
  SELECT * FROM "x y";
  SELECT rowid FROM "x y" WHERE "x y" MATCH 'a'
} {{a a a} {x x x} 1}

do_execsql_test 1.2.0 {
  CREATE VIRTUAL TABLE "one/two" USING fts5(one, columnsize=0);
  INSERT INTO "one/two"(rowid, one) VALUES(456, 'd d d');
  ALTER TABLE "one/two" RENAME TO "three/four";
}
do_execsql_test 1.2.1 {
  SELECT * FROM "three/four";
  SELECT rowid FROM "three/four" WHERE "three/four" MATCH 'd'
} {{d d d} 456}

do_execsql_test 1.3.0 {
  CREATE VIRTUAL TABLE t1 USING fts5(val, content='');
  INSERT INTO t1(rowid, val) VALUES(-1, 'drop table');
  INSERT INTO t1(rowid, val) VALUES(-2, 'drop view');
  ALTER TABLE t1 RENAME TO t2;
}
do_execsql_test 1.3.1 {
  SELECT rowid, * FROM t2;
  SELECT rowid FROM t2 WHERE t2 MATCH 'table'
} {-2 {} -1 {} -1}

#-------------------------------------------------------------------------
# Test renaming an FTS5 table within a transaction.
#
do_execsql_test 2.1 {
  CREATE VIRTUAL TABLE zz USING fts5(a);
  INSERT INTO zz(rowid, a) VALUES(-56, 'a b c');
  BEGIN;
    INSERT INTO zz(rowid, a) VALUES(-22, 'a b c');
    ALTER TABLE zz RENAME TO yy;
    SELECT rowid FROM yy WHERE yy MATCH 'a + b + c';
  COMMIT;
} {-56 -22}

do_execsql_test 2.2 {
  BEGIN;
    ALTER TABLE yy RENAME TO ww;
    INSERT INTO ww(rowid, a) VALUES(-11, 'a b c');
    SELECT rowid FROM ww WHERE ww MATCH 'a + b + c';
} {-56 -22 -11}

do_execsql_test 2.3 {
  ROLLBACK;
  SELECT rowid FROM yy WHERE yy MATCH 'a + b + c';
} {-56 -22}


finish_test