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spatialite_convert.c
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spatialite_convert.c
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/*
/ spatialite_convert
/
/ a tool converting a DB between different versions of SpatiaLite
/
/ version 1.0, 2012 August 5
/
/ Author: Sandro Furieri [email protected]
/
/ Copyright (C) 2012 Alessandro Furieri
/
/ This program is free software: you can redistribute it and/or modify
/ it under the terms of the GNU General Public License as published by
/ the Free Software Foundation, either version 3 of the License, or
/ (at your option) any later version.
/
/ This program is distributed in the hope that it will be useful,
/ but WITHOUT ANY WARRANTY; without even the implied warranty of
/ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
/ GNU General Public License for more details.
/
/ You should have received a copy of the GNU General Public License
/ along with this program. If not, see <http://www.gnu.org/licenses/>.
/
*/
#if defined(_WIN32) && !defined(__MINGW32__)
/* MSVC strictly requires this include [off_t] */
#include <sys/types.h>
#endif
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#if defined(_WIN32) && !defined(__MINGW32__)
#include "config-msvc.h"
#else
#include "config.h"
#endif
#ifdef SPATIALITE_AMALGAMATION
#include <spatialite/sqlite3.h>
#else
#include <sqlite3.h>
#endif
#include <spatialite/gaiaaux.h>
#include <spatialite/gaiageo.h>
#include <spatialite.h>
#ifdef _WIN32
#define strcasecmp _stricmp
#endif /* not WIN32 */
#define ARG_NONE 0
#define ARG_DB_PATH 1
#define ARG_VERSION 2
struct spatial_index_str
{
/* a struct to implement a linked list of spatial-indexes */
char ValidRtree;
char ValidCache;
char *TableName;
char *ColumnName;
struct spatial_index_str *Next;
};
static int
exists_spatialite_history (sqlite3 * handle)
{
/* testing if SPATIALITE_HISTORY exists */
int event_id = 0;
int table_name = 0;
int geometry_column = 0;
int event = 0;
int timestamp = 0;
int ver_sqlite = 0;
int ver_splite = 0;
char sql[1024];
int ret;
const char *name;
int i;
char **results;
int rows;
int columns;
/* checking the SPATIALITE_HISTORY table */
strcpy (sql, "PRAGMA table_info(spatialite_history)");
ret = sqlite3_get_table (handle, sql, &results, &rows, &columns, NULL);
if (ret != SQLITE_OK)
return 0;
if (rows < 1)
;
else
{
for (i = 1; i <= rows; i++)
{
name = results[(i * columns) + 1];
if (strcasecmp (name, "event_id") == 0)
event_id = 1;
if (strcasecmp (name, "table_name") == 0)
table_name = 1;
if (strcasecmp (name, "geometry_column") == 0)
geometry_column = 1;
if (strcasecmp (name, "event") == 0)
event = 1;
if (strcasecmp (name, "timestamp") == 0)
timestamp = 1;
if (strcasecmp (name, "ver_sqlite") == 0)
ver_sqlite = 1;
if (strcasecmp (name, "ver_splite") == 0)
ver_splite = 1;
}
}
sqlite3_free_table (results);
if (event_id && table_name && geometry_column && event && timestamp
&& ver_sqlite && ver_splite)
return 1;
return 0;
}
static int
update_history (sqlite3 * handle, int in_version, int version)
{
/* updating SPATIALITE_HISTORY (if possible) */
int ret;
char *sql_err = NULL;
char sql[8192];
sqlite3_stmt *stmt = NULL;
const char *table = "Whole Database";
if (version == 2 && !exists_spatialite_history (handle))
return 1;
/* creating the SPATIALITE_HISTORY table ... just in case ... */
strcpy (sql, "CREATE TABLE IF NOT EXISTS ");
strcat (sql, "spatialite_history (\n");
strcat (sql, "event_id INTEGER NOT NULL PRIMARY KEY AUTOINCREMENT,\n");
strcat (sql, "table_name TEXT NOT NULL,\n");
strcat (sql, "geometry_column TEXT,\n");
strcat (sql, "event TEXT NOT NULL,\n");
strcat (sql, "timestamp TEXT NOT NULL,\n");
strcat (sql, "ver_sqlite TEXT NOT NULL,\n");
strcat (sql, "ver_splite TEXT NOT NULL)");
ret = sqlite3_exec (handle, sql, NULL, NULL, &sql_err);
if (ret != SQLITE_OK)
{
fprintf (stderr, "CREATE TABLE SPATIALITE_HISTORY error: %s\n",
sql_err);
sqlite3_free (sql_err);
return 0;
}
/* updating SPATIALITE HISTORY */
strcpy (sql, "INSERT INTO spatialite_history ");
strcat (sql, "(event_id, table_name, geometry_column, event, timestamp, ");
strcat (sql, "ver_sqlite, ver_splite) ");
strcat (sql,
"VALUES (NULL, ?, ?, ?, strftime('%Y-%m-%dT%H:%M:%fZ', 'now'), sqlite_version(), spatialite_version())");
ret = sqlite3_prepare_v2 (handle, sql, strlen (sql), &stmt, NULL);
if (ret != SQLITE_OK)
{
fprintf (stderr, "UPDATE \"spatialite_history\" error: %s\n%s\n", sql,
sqlite3_errmsg (handle));
ret = 0;
goto stop;
}
sqlite3_reset (stmt);
sqlite3_clear_bindings (stmt);
sqlite3_bind_text (stmt, 1, table, strlen (table), SQLITE_STATIC);
sqlite3_bind_null (stmt, 2);
sprintf (sql,
"Converted by \"spatialite_convert\" from Version=%d to Version=%d",
in_version, version);
sqlite3_bind_text (stmt, 3, sql, strlen (sql), SQLITE_STATIC);
ret = sqlite3_step (stmt);
if (ret == SQLITE_DONE || ret == SQLITE_ROW)
{
ret = 1;
goto stop;
}
fprintf (stderr, "UPDATE \"spatialite_history\" error: %s\n",
sqlite3_errmsg (handle));
ret = 0;
stop:
if (stmt)
sqlite3_finalize (stmt);
return 1;
}
static void
clean_sql_string (char *buf)
{
/* well-formatting a string to be used as an SQL string-value */
char tmp[1024];
char *in = tmp;
char *out = buf;
strcpy (tmp, buf);
while (*in != '\0')
{
if (*in == '\'')
*out++ = '\'';
*out++ = *in++;
}
*out = '\0';
}
static void
double_quoted_sql (char *buf)
{
/* well-formatting a string to be used as an SQL name */
char tmp[1024];
char *in = tmp;
char *out = buf;
strcpy (tmp, buf);
*out++ = '"';
while (*in != '\0')
{
if (*in == '"')
*out++ = '"';
*out++ = *in++;
}
*out++ = '"';
*out = '\0';
}
static int
real_view_names (void *p_sqlite, const char *table, const char *column,
char **real_table, char **real_column)
{
/* attempting to retrieve the "real" view and column names (upper/lowercase) */
sqlite3 *sqlite = (sqlite3 *) p_sqlite;
char *p_table = NULL;
char *p_column = NULL;
char *sql_statement;
char *quoted;
const char *name;
int len;
sqlite3_stmt *stmt;
int ret;
sql_statement = sqlite3_mprintf ("SELECT name "
"FROM sqlite_master WHERE type = 'view' "
"AND Lower(name) = Lower(?)");
/* compiling SQL prepared statement */
ret =
sqlite3_prepare_v2 (sqlite, sql_statement, strlen (sql_statement),
&stmt, NULL);
sqlite3_free (sql_statement);
if (ret != SQLITE_OK)
{
fprintf (stderr, "real_names: error %d \"%s\"\n",
sqlite3_errcode (sqlite), sqlite3_errmsg (sqlite));
return 0;
}
sqlite3_reset (stmt);
sqlite3_clear_bindings (stmt);
sqlite3_bind_text (stmt, 1, table, strlen (table), SQLITE_STATIC);
while (1)
{
/* scrolling the result set rows */
ret = sqlite3_step (stmt);
if (ret == SQLITE_DONE)
break; /* end of result set */
if (ret == SQLITE_ROW)
{
name = (const char *) sqlite3_column_text (stmt, 0);
len = sqlite3_column_bytes (stmt, 0);
if (p_table)
free (p_table);
p_table = malloc (len + 1);
strcpy (p_table, name);
}
}
sqlite3_finalize (stmt);
if (p_table == NULL)
return 0;
quoted = gaiaDoubleQuotedSql (p_table);
sql_statement = sqlite3_mprintf ("PRAGMA table_info(\"%s\")", quoted);
free (quoted);
/* compiling SQL prepared statement */
ret =
sqlite3_prepare_v2 (sqlite, sql_statement, strlen (sql_statement),
&stmt, NULL);
sqlite3_free (sql_statement);
if (ret != SQLITE_OK)
{
fprintf (stderr, "real_names: error %d \"%s\"\n",
sqlite3_errcode (sqlite), sqlite3_errmsg (sqlite));
free (p_table);
return 0;
}
while (1)
{
/* scrolling the result set rows */
ret = sqlite3_step (stmt);
if (ret == SQLITE_DONE)
break; /* end of result set */
if (ret == SQLITE_ROW)
{
name = (const char *) sqlite3_column_text (stmt, 1);
len = sqlite3_column_bytes (stmt, 1);
if (strcasecmp (name, column) == 0)
{
if (p_column)
free (p_column);
p_column = malloc (len + 1);
strcpy (p_column, name);
}
}
}
sqlite3_finalize (stmt);
if (p_column == NULL)
{
free (p_table);
return 0;
}
*real_table = p_table;
*real_column = p_column;
return 1;
}
static int
real_sql_names (void *p_sqlite, const char *table, const char *column,
char **real_table, char **real_column)
{
/* attempting to retrieve the "real" table and column names (upper/lowercase) */
sqlite3 *sqlite = (sqlite3 *) p_sqlite;
char *p_table = NULL;
char *p_column = NULL;
char *sql_statement;
char *quoted;
const char *name;
int len;
sqlite3_stmt *stmt;
int ret;
sql_statement = sqlite3_mprintf ("SELECT name "
"FROM sqlite_master WHERE type = 'table' "
"AND Lower(name) = Lower(?)");
/* compiling SQL prepared statement */
ret =
sqlite3_prepare_v2 (sqlite, sql_statement, strlen (sql_statement),
&stmt, NULL);
sqlite3_free (sql_statement);
if (ret != SQLITE_OK)
{
fprintf (stderr, "real_names: error %d \"%s\"\n",
sqlite3_errcode (sqlite), sqlite3_errmsg (sqlite));
return 0;
}
sqlite3_reset (stmt);
sqlite3_clear_bindings (stmt);
sqlite3_bind_text (stmt, 1, table, strlen (table), SQLITE_STATIC);
while (1)
{
/* scrolling the result set rows */
ret = sqlite3_step (stmt);
if (ret == SQLITE_DONE)
break; /* end of result set */
if (ret == SQLITE_ROW)
{
name = (const char *) sqlite3_column_text (stmt, 0);
len = sqlite3_column_bytes (stmt, 0);
if (p_table)
free (p_table);
p_table = malloc (len + 1);
strcpy (p_table, name);
}
}
sqlite3_finalize (stmt);
if (p_table == NULL)
return 0;
quoted = gaiaDoubleQuotedSql (p_table);
sql_statement = sqlite3_mprintf ("PRAGMA table_info(\"%s\")", quoted);
free (quoted);
/* compiling SQL prepared statement */
ret =
sqlite3_prepare_v2 (sqlite, sql_statement, strlen (sql_statement),
&stmt, NULL);
sqlite3_free (sql_statement);
if (ret != SQLITE_OK)
{
fprintf (stderr, "real_names: error %d \"%s\"\n",
sqlite3_errcode (sqlite), sqlite3_errmsg (sqlite));
free (p_table);
return 0;
}
while (1)
{
/* scrolling the result set rows */
ret = sqlite3_step (stmt);
if (ret == SQLITE_DONE)
break; /* end of result set */
if (ret == SQLITE_ROW)
{
name = (const char *) sqlite3_column_text (stmt, 1);
len = sqlite3_column_bytes (stmt, 1);
if (strcasecmp (name, column) == 0)
{
if (p_column)
free (p_column);
p_column = malloc (len + 1);
strcpy (p_column, name);
}
}
}
sqlite3_finalize (stmt);
if (p_column == NULL)
{
free (p_table);
return 0;
}
*real_table = p_table;
*real_column = p_column;
return 1;
}
static int
update_triggers (sqlite3 * sqlite, const char *table,
const char *column, int version)
{
/* updates triggers for some Spatial Column */
int ret;
int col_index;
const char *col_dims;
int index;
int cached;
int dims;
char *txt_dims;
int len;
char *errMsg = NULL;
char *sql_statement;
char *raw;
char *quoted_trigger;
char *quoted_rtree;
char *quoted_table;
char *quoted_column;
char *p_table = NULL;
char *p_column = NULL;
sqlite3_stmt *stmt;
struct spatial_index_str *first_idx = NULL;
struct spatial_index_str *last_idx = NULL;
struct spatial_index_str *curr_idx;
struct spatial_index_str *next_idx;
if (!real_sql_names (sqlite, table, column, &p_table, &p_column))
{
fprintf (stderr,
"updateTableTriggers() error: not existing Table or Column\n");
return 0;
}
if (version == 4)
{
/* current metadata style >= v.4.0.0 */
sql_statement = sqlite3_mprintf ("SELECT spatial_index_enabled "
"FROM geometry_columns WHERE Lower(f_table_name) = Lower(?) "
"AND Lower(f_geometry_column) = Lower(?)");
}
else
{
/* legacy metadata style <= v.3.1.0 */
sql_statement =
sqlite3_mprintf ("SELECT spatial_index_enabled, coord_dimension "
"FROM geometry_columns WHERE Lower(f_table_name) = Lower(?) "
"AND Lower(f_geometry_column) = Lower(?)");
}
/* compiling SQL prepared statement */
ret =
sqlite3_prepare_v2 (sqlite, sql_statement, strlen (sql_statement),
&stmt, NULL);
sqlite3_free (sql_statement);
if (ret != SQLITE_OK)
{
fprintf (stderr, "updateTableTriggers: error %d \"%s\"\n",
sqlite3_errcode (sqlite), sqlite3_errmsg (sqlite));
return 0;
}
sqlite3_reset (stmt);
sqlite3_clear_bindings (stmt);
sqlite3_bind_text (stmt, 1, table, strlen (table), SQLITE_STATIC);
sqlite3_bind_text (stmt, 2, column, strlen (column), SQLITE_STATIC);
while (1)
{
/* scrolling the result set rows */
ret = sqlite3_step (stmt);
if (ret == SQLITE_DONE)
break; /* end of result set */
if (ret == SQLITE_ROW)
{
col_index = sqlite3_column_int (stmt, 0);
if (version == 3)
{
/* legacy metadata style <= v.3.1.0 */
col_dims = (const char *) sqlite3_column_text (stmt, 1);
dims = GAIA_XY;
if (strcasecmp (col_dims, "XYZ") == 0)
dims = GAIA_XY_Z;
if (strcasecmp (col_dims, "XYM") == 0)
dims = GAIA_XY_M;
if (strcasecmp (col_dims, "XYZM") == 0)
dims = GAIA_XY_Z_M;
switch (dims)
{
case GAIA_XY_Z:
txt_dims = "XYZ";
break;
case GAIA_XY_M:
txt_dims = "XYM";
break;
case GAIA_XY_Z_M:
txt_dims = "XYZM";
break;
default:
txt_dims = "XY";
break;
};
}
index = 0;
cached = 0;
if (col_index == 1)
index = 1;
if (col_index == 2)
cached = 1;
/* trying to delete old versions [v2.0, v2.2] triggers[if any] */
raw = sqlite3_mprintf ("gti_%s_%s", p_table, p_column);
quoted_trigger = gaiaDoubleQuotedSql (raw);
sqlite3_free (raw);
sql_statement =
sqlite3_mprintf ("DROP TRIGGER IF EXISTS \"%s\"",
quoted_trigger);
free (quoted_trigger);
ret = sqlite3_exec (sqlite, sql_statement, NULL, NULL, &errMsg);
sqlite3_free (sql_statement);
if (ret != SQLITE_OK)
goto error;
raw = sqlite3_mprintf ("gtu_%s_%s", p_table, p_column);
quoted_trigger = gaiaDoubleQuotedSql (raw);
sqlite3_free (raw);
sql_statement =
sqlite3_mprintf ("DROP TRIGGER IF EXISTS \"%s\"",
quoted_trigger);
free (quoted_trigger);
ret = sqlite3_exec (sqlite, sql_statement, NULL, NULL, &errMsg);
sqlite3_free (sql_statement);
if (ret != SQLITE_OK)
goto error;
raw = sqlite3_mprintf ("gsi_%s_%s", p_table, p_column);
quoted_trigger = gaiaDoubleQuotedSql (raw);
sqlite3_free (raw);
sql_statement =
sqlite3_mprintf ("DROP TRIGGER IF EXISTS \"%s\"",
quoted_trigger);
free (quoted_trigger);
ret = sqlite3_exec (sqlite, sql_statement, NULL, NULL, &errMsg);
sqlite3_free (sql_statement);
if (ret != SQLITE_OK)
goto error;
raw = sqlite3_mprintf ("gsu_%s_%s", p_table, p_column);
quoted_trigger = gaiaDoubleQuotedSql (raw);
sqlite3_free (raw);
sql_statement =
sqlite3_mprintf ("DROP TRIGGER IF EXISTS \"%s\"",
quoted_trigger);
free (quoted_trigger);
ret = sqlite3_exec (sqlite, sql_statement, NULL, NULL, &errMsg);
sqlite3_free (sql_statement);
if (ret != SQLITE_OK)
goto error;
/* end deletion old versions [v2.0, v2.2] triggers[if any] */
/* deleting the old INSERT trigger TYPE [if any] */
raw = sqlite3_mprintf ("ggi_%s_%s", p_table, p_column);
quoted_trigger = gaiaDoubleQuotedSql (raw);
sqlite3_free (raw);
sql_statement =
sqlite3_mprintf ("DROP TRIGGER IF EXISTS \"%s\"",
quoted_trigger);
free (quoted_trigger);
ret = sqlite3_exec (sqlite, sql_statement, NULL, NULL, &errMsg);
sqlite3_free (sql_statement);
if (ret != SQLITE_OK)
goto error;
/* inserting the new INSERT trigger TYPE */
raw = sqlite3_mprintf ("ggi_%s_%s", p_table, p_column);
quoted_trigger = gaiaDoubleQuotedSql (raw);
sqlite3_free (raw);
quoted_table = gaiaDoubleQuotedSql (p_table);
quoted_column = gaiaDoubleQuotedSql (p_column);
if (version == 4)
{
/* current metadata style >= v.4.0.0 */
sql_statement =
sqlite3_mprintf
("CREATE TRIGGER \"%s\" BEFORE INSERT ON \"%s\"\n"
"FOR EACH ROW BEGIN\n"
"SELECT RAISE(ROLLBACK, '%q.%q violates Geometry constraint [geom-type or SRID not allowed]')\n"
"WHERE (SELECT geometry_type FROM geometry_columns\n"
"WHERE Lower(f_table_name) = Lower(%Q) AND "
"Lower(f_geometry_column) = Lower(%Q)\n"
"AND GeometryConstraints(NEW.\"%s\", geometry_type, srid) = 1) IS NULL;\nEND",
quoted_trigger, quoted_table, p_table, p_column,
p_table, p_column, quoted_column);
free (quoted_trigger);
free (quoted_table);
free (quoted_column);
}
else if (version == 3)
{
/* legacy metadata style <= v.3.1.0 */
sql_statement =
sqlite3_mprintf
("CREATE TRIGGER \"%s\" BEFORE INSERT ON \"%s\"\n"
"FOR EACH ROW BEGIN\n"
"SELECT RAISE(ROLLBACK, '%q.%q violates Geometry constraint [geom-type or SRID not allowed]')\n"
"WHERE (SELECT type FROM geometry_columns\n"
"WHERE f_table_name = %Q AND f_geometry_column = %Q\n"
"AND GeometryConstraints(NEW.\"%s\", type, srid, %Q) = 1) IS NULL;\nEND",
quoted_trigger, quoted_table, p_table, p_column,
p_table, p_column, quoted_column, txt_dims);
free (quoted_trigger);
free (quoted_table);
free (quoted_column);
}
else
{
/* legacy metadata style <= v.2.1.0 */
sql_statement =
sqlite3_mprintf
("CREATE TRIGGER \"%s\" BEFORE INSERT ON \"%s\"\n"
"FOR EACH ROW BEGIN\n"
"SELECT RAISE(ROLLBACK, '%q.%q violates Geometry constraint [geom-type or SRID not allowed]')\n"
"WHERE (SELECT type FROM geometry_columns\n"
"WHERE f_table_name = %Q AND f_geometry_column = %Q\n"
"AND GeometryConstraints(NEW.\"%s\", type, srid) = 1) IS NULL;\nEND",
quoted_trigger, quoted_table, p_table, p_column,
p_table, p_column, quoted_column);
free (quoted_trigger);
free (quoted_table);
free (quoted_column);
}
ret = sqlite3_exec (sqlite, sql_statement, NULL, NULL, &errMsg);
sqlite3_free (sql_statement);
if (ret != SQLITE_OK)
goto error;
/* deleting the old UPDATE trigger TYPE [if any] */
raw = sqlite3_mprintf ("ggu_%s_%s", p_table, p_column);
quoted_trigger = gaiaDoubleQuotedSql (raw);
sqlite3_free (raw);
sql_statement =
sqlite3_mprintf ("DROP TRIGGER IF EXISTS \"%s\"",
quoted_trigger);
free (quoted_trigger);
ret = sqlite3_exec (sqlite, sql_statement, NULL, NULL, &errMsg);
sqlite3_free (sql_statement);
if (ret != SQLITE_OK)
goto error;
/* inserting the new UPDATE trigger TYPE */
raw = sqlite3_mprintf ("ggu_%s_%s", p_table, p_column);
quoted_trigger = gaiaDoubleQuotedSql (raw);
sqlite3_free (raw);
quoted_table = gaiaDoubleQuotedSql (p_table);
quoted_column = gaiaDoubleQuotedSql (p_column);
if (version == 4)
{
/* current metadata style >= v.4.0.0 */
sql_statement =
sqlite3_mprintf
("CREATE TRIGGER \"%s\" BEFORE UPDATE ON \"%s\"\n"
"FOR EACH ROW BEGIN\n"
"SELECT RAISE(ROLLBACK, '%q.%q violates Geometry constraint [geom-type or SRID not allowed]')\n"
"WHERE (SELECT geometry_type FROM geometry_columns\n"
"WHERE Lower(f_table_name) = Lower(%Q) AND "
"Lower(f_geometry_column) = Lower(%Q)\n"
"AND GeometryConstraints(NEW.\"%s\", geometry_type, srid) = 1) IS NULL;\nEND",
quoted_trigger, quoted_table, p_table, p_column,
p_table, p_column, quoted_column);
free (quoted_trigger);
free (quoted_table);
free (quoted_column);
}
else if (version == 3)
{
/* legacy metadata style <= v.3.1.0 */
sql_statement =
sqlite3_mprintf
("CREATE TRIGGER \"%s\" BEFORE UPDATE ON \"%s\"\n"
"FOR EACH ROW BEGIN\n"
"SELECT RAISE(ROLLBACK, '%q.%q violates Geometry constraint [geom-type or SRID not allowed]')\n"
"WHERE (SELECT type FROM geometry_columns\n"
"WHERE f_table_name = %Q AND f_geometry_column = %Q\n"
"AND GeometryConstraints(NEW.\"%s\", type, srid, %Q) = 1) IS NULL;\nEND",
quoted_trigger, quoted_table, p_table, p_column,
p_table, p_column, quoted_column, txt_dims);
free (quoted_trigger);
free (quoted_table);
free (quoted_column);
}
else
{
/* legacy metadata style <= v.2.1.0 */
sql_statement =
sqlite3_mprintf
("CREATE TRIGGER \"%s\" BEFORE UPDATE ON \"%s\"\n"
"FOR EACH ROW BEGIN\n"
"SELECT RAISE(ROLLBACK, '%q.%q violates Geometry constraint [geom-type or SRID not allowed]')\n"
"WHERE (SELECT type FROM geometry_columns\n"
"WHERE f_table_name = %Q AND f_geometry_column = %Q\n"
"AND GeometryConstraints(NEW.\"%s\", type, srid) = 1) IS NULL;\nEND",
quoted_trigger, quoted_table, p_table, p_column,
p_table, p_column, quoted_column);
free (quoted_trigger);
free (quoted_table);
free (quoted_column);
}
ret = sqlite3_exec (sqlite, sql_statement, NULL, NULL, &errMsg);
sqlite3_free (sql_statement);
if (ret != SQLITE_OK)
goto error;
/* inserting SpatialIndex information into the linked list */
curr_idx = malloc (sizeof (struct spatial_index_str));
len = strlen (p_table);
curr_idx->TableName = malloc (len + 1);
strcpy (curr_idx->TableName, p_table);
len = strlen (p_column);
curr_idx->ColumnName = malloc (len + 1);
strcpy (curr_idx->ColumnName, p_column);
curr_idx->ValidRtree = (char) index;
curr_idx->ValidCache = (char) cached;
curr_idx->Next = NULL;
if (!first_idx)
first_idx = curr_idx;
if (last_idx)
last_idx->Next = curr_idx;
last_idx = curr_idx;
/* deleting the old INSERT trigger SPATIAL_INDEX [if any] */
raw = sqlite3_mprintf ("gii_%s_%s", p_table, p_column);
quoted_trigger = gaiaDoubleQuotedSql (raw);
sqlite3_free (raw);
sql_statement =
sqlite3_mprintf ("DROP TRIGGER IF EXISTS \"%s\"",
quoted_trigger);
free (quoted_trigger);
ret = sqlite3_exec (sqlite, sql_statement, NULL, NULL, &errMsg);
sqlite3_free (sql_statement);
if (ret != SQLITE_OK)
goto error;
/* deleting the old UPDATE (timestamp) trigger [if any] */
raw = sqlite3_mprintf ("tmu_%s_%s", p_table, p_column);
quoted_trigger = gaiaDoubleQuotedSql (raw);
sqlite3_free (raw);
sql_statement =
sqlite3_mprintf ("DROP TRIGGER IF EXISTS \"%s\"",
quoted_trigger);
free (quoted_trigger);
ret = sqlite3_exec (sqlite, sql_statement, NULL, NULL, &errMsg);
sqlite3_free (sql_statement);
if (ret != SQLITE_OK)
goto error;
/* deleting the old INSERT (timestamp) trigger [if any] */
raw = sqlite3_mprintf ("tmi_%s_%s", p_table, p_column);
quoted_trigger = gaiaDoubleQuotedSql (raw);
sqlite3_free (raw);
sql_statement =
sqlite3_mprintf ("DROP TRIGGER IF EXISTS \"%s\"",
quoted_trigger);
free (quoted_trigger);
ret = sqlite3_exec (sqlite, sql_statement, NULL, NULL, &errMsg);
sqlite3_free (sql_statement);
if (ret != SQLITE_OK)
goto error;
/* deleting the old DELETE (timestamp) trigger [if any] */
raw = sqlite3_mprintf ("tmd_%s_%s", p_table, p_column);
quoted_trigger = gaiaDoubleQuotedSql (raw);
sqlite3_free (raw);
sql_statement =
sqlite3_mprintf ("DROP TRIGGER IF EXISTS \"%s\"",
quoted_trigger);
free (quoted_trigger);
ret = sqlite3_exec (sqlite, sql_statement, NULL, NULL, &errMsg);
sqlite3_free (sql_statement);
if (ret != SQLITE_OK)
goto error;
if (index == 0 && cached == 0)
{
if (version == 4)
{
/* current metadata style >= v.4.0.0 */
/* inserting the new UPDATE (timestamp) trigger */
raw =
sqlite3_mprintf ("tmu_%s_%s", p_table,
p_column);
quoted_trigger = gaiaDoubleQuotedSql (raw);
sqlite3_free (raw);
quoted_table = gaiaDoubleQuotedSql (p_table);
sql_statement =
sqlite3_mprintf
("CREATE TRIGGER \"%s\" AFTER UPDATE ON \"%s\"\n"
"FOR EACH ROW BEGIN\n"
"UPDATE geometry_columns_time SET last_update = strftime('%%Y-%%m-%%dT%%H:%%M:%%fZ', 'now')\n"
"WHERE Lower(f_table_name) = Lower(%Q) AND "
"Lower(f_geometry_column) = Lower(%Q);\nEND",
quoted_trigger, quoted_table, p_table,
p_column);
free (quoted_trigger);
free (quoted_table);
ret =
sqlite3_exec (sqlite, sql_statement, NULL, NULL,
&errMsg);
sqlite3_free (sql_statement);
if (ret != SQLITE_OK)
goto error;
/* inserting the new INSERT (timestamp) trigger */
raw =
sqlite3_mprintf ("tmi_%s_%s", p_table,
p_column);
quoted_trigger = gaiaDoubleQuotedSql (raw);
sqlite3_free (raw);
quoted_table = gaiaDoubleQuotedSql (p_table);
sql_statement =
sqlite3_mprintf
("CREATE TRIGGER \"%s\" AFTER INSERT ON \"%s\"\n"
"FOR EACH ROW BEGIN\n"
"UPDATE geometry_columns_time SET last_insert = strftime('%%Y-%%m-%%dT%%H:%%M:%%fZ', 'now')\n"
"WHERE Lower(f_table_name) = Lower(%Q) AND "
"Lower(f_geometry_column) = Lower(%Q);\nEND",
quoted_trigger, quoted_table, p_table,
p_column);
free (quoted_trigger);
free (quoted_table);
ret =
sqlite3_exec (sqlite, sql_statement, NULL, NULL,
&errMsg);
sqlite3_free (sql_statement);
if (ret != SQLITE_OK)
goto error;
/* inserting the new DELETE (timestamp) trigger */
raw =
sqlite3_mprintf ("tmd_%s_%s", p_table,
p_column);
quoted_trigger = gaiaDoubleQuotedSql (raw);
sqlite3_free (raw);
quoted_table = gaiaDoubleQuotedSql (p_table);
sql_statement =
sqlite3_mprintf
("CREATE TRIGGER \"%s\" AFTER DELETE ON \"%s\"\n"
"FOR EACH ROW BEGIN\n"
"UPDATE geometry_columns_time SET last_delete = strftime('%%Y-%%m-%%dT%%H:%%M:%%fZ', 'now')\n"
"WHERE Lower(f_table_name) = Lower(%Q) AND "
"Lower(f_geometry_column) = Lower(%Q);\nEND",
quoted_trigger, quoted_table, p_table,
p_column);
free (quoted_trigger);
free (quoted_table);
ret =
sqlite3_exec (sqlite, sql_statement, NULL, NULL,
&errMsg);
sqlite3_free (sql_statement);
if (ret != SQLITE_OK)
goto error;
}
}
/* deleting the old INSERT trigger SPATIAL_INDEX [if any] */
raw = sqlite3_mprintf ("gid_%s_%s", p_table, p_column);
quoted_trigger = gaiaDoubleQuotedSql (raw);
sqlite3_free (raw);
sql_statement =
sqlite3_mprintf ("DROP TRIGGER IF EXISTS \"%s\"",
quoted_trigger);
free (quoted_trigger);
ret = sqlite3_exec (sqlite, sql_statement, NULL, NULL, &errMsg);
sqlite3_free (sql_statement);
if (ret != SQLITE_OK)
goto error;
/* deleting the old UPDATE trigger SPATIAL_INDEX [if any] */
raw = sqlite3_mprintf ("giu_%s_%s", p_table, p_column);
quoted_trigger = gaiaDoubleQuotedSql (raw);
sqlite3_free (raw);
sql_statement =
sqlite3_mprintf ("DROP TRIGGER IF EXISTS \"%s\"",
quoted_trigger);
free (quoted_trigger);
ret = sqlite3_exec (sqlite, sql_statement, NULL, NULL, &errMsg);
sqlite3_free (sql_statement);
if (ret != SQLITE_OK)
goto error;
/* deleting the old DELETE trigger SPATIAL_INDEX [if any] */
raw = sqlite3_mprintf ("gid_%s_%s", p_table, p_column);
quoted_trigger = gaiaDoubleQuotedSql (raw);
sqlite3_free (raw);
sql_statement =
sqlite3_mprintf ("DROP TRIGGER IF EXISTS \"%s\"",
quoted_trigger);
free (quoted_trigger);
ret = sqlite3_exec (sqlite, sql_statement, NULL, NULL, &errMsg);
sqlite3_free (sql_statement);
if (ret != SQLITE_OK)
goto error;
/* deleting the old INSERT trigger MBR_CACHE [if any] */
raw = sqlite3_mprintf ("gci_%s_%s", p_table, p_column);
quoted_trigger = gaiaDoubleQuotedSql (raw);
sqlite3_free (raw);
sql_statement =
sqlite3_mprintf ("DROP TRIGGER IF EXISTS \"%s\"",
quoted_trigger);
free (quoted_trigger);
ret = sqlite3_exec (sqlite, sql_statement, NULL, NULL, &errMsg);
sqlite3_free (sql_statement);
if (ret != SQLITE_OK)
goto error;
/* deleting the old UPDATE trigger MBR_CACHE [if any] */
raw = sqlite3_mprintf ("gcu_%s_%s", p_table, p_column);
quoted_trigger = gaiaDoubleQuotedSql (raw);
sqlite3_free (raw);
sql_statement =
sqlite3_mprintf ("DROP TRIGGER IF EXISTS \"%s\"",
quoted_trigger);
free (quoted_trigger);
ret = sqlite3_exec (sqlite, sql_statement, NULL, NULL, &errMsg);
sqlite3_free (sql_statement);
if (ret != SQLITE_OK)
goto error;
/* deleting the old UPDATE trigger MBR_CACHE [if any] */
raw = sqlite3_mprintf ("gcd_%s_%s", p_table, p_column);
quoted_trigger = gaiaDoubleQuotedSql (raw);
sqlite3_free (raw);
sql_statement =
sqlite3_mprintf ("DROP TRIGGER IF EXISTS \"%s\"",
quoted_trigger);
free (quoted_trigger);
ret = sqlite3_exec (sqlite, sql_statement, NULL, NULL, &errMsg);
sqlite3_free (sql_statement);
if (ret != SQLITE_OK)
goto error;
if (index)
{
/* inserting the new INSERT trigger RTree */
if (version == 4)
{
/* current metadata style >= v.4.0.0 */
raw =
sqlite3_mprintf ("gii_%s_%s", p_table,
p_column);
quoted_trigger = gaiaDoubleQuotedSql (raw);
sqlite3_free (raw);
raw =
sqlite3_mprintf ("idx_%s_%s", p_table,
p_column);
quoted_rtree = gaiaDoubleQuotedSql (raw);
quoted_table = gaiaDoubleQuotedSql (p_table);
quoted_column = gaiaDoubleQuotedSql (p_column);
sql_statement =
sqlite3_mprintf
("CREATE TRIGGER \"%s\" AFTER INSERT ON \"%s\"\n"
"FOR EACH ROW BEGIN\n"
"UPDATE geometry_columns_time SET last_insert = strftime('%%Y-%%m-%%dT%%H:%%M:%%fZ', 'now')\n"
"WHERE Lower(f_table_name) = Lower(%Q) AND "
"Lower(f_geometry_column) = Lower(%Q);\n"
"DELETE FROM \"%s\" WHERE pkid=NEW.ROWID;\n"
"SELECT RTreeAlign(%Q, NEW.ROWID, NEW.\"%s\");\nEND",
quoted_trigger, quoted_table, p_table,
p_column, quoted_rtree, raw, quoted_column);
sqlite3_free (raw);
free (quoted_trigger);
free (quoted_rtree);
free (quoted_table);
free (quoted_column);
}
else if (version == 3)
{
/* legacy metadata style <= v.3.1.0 */
raw =