Adding initial database support.
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23
include/openmg/database.h
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23
include/openmg/database.h
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#pragma once
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#include <glib-object.h>
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#include <openmg/database/statement.h>
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G_BEGIN_DECLS;
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#define MG_TYPE_DATABASE mg_database_get_type()
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G_DECLARE_FINAL_TYPE (MgDatabase, mg_database, MG, DATABASE, GObject)
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MgDatabase *mg_database_new ();
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MgDatabaseStatement *
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mg_database_prepare (MgDatabase *self, char *z_sql, const char **pz_tail);
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int
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mg_database_get_affected_rows (MgDatabase *self);
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char *
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mg_database_get_error_string (MgDatabase *self);
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G_END_DECLS
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10
include/openmg/database/migrations.h
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10
include/openmg/database/migrations.h
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const char *const MIGRATIONS[] = {
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("CREATE TABLE options (\n"
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"key TEXT PRIMARY KEY,\n"
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"value TEXT\n"
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");\n"),
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("CREATE TABLE image (\n"
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"url TEXT PRIMARY KEY,\n"
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"file TEXT\n"
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");\n"),
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};
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15
include/openmg/database/statement.h
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15
include/openmg/database/statement.h
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#pragma once
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#include <glib-object.h>
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G_BEGIN_DECLS;
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#define MG_TYPE_DATABASE_STATEMENT mg_database_statement_get_type()
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G_DECLARE_FINAL_TYPE (MgDatabaseStatement, mg_database_statement, MG, DATABASE_STATEMENT, GObject)
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MgDatabaseStatement *mg_database_statement_new ();
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void
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mg_database_statement_bind_text (MgDatabaseStatement *self, int index, char *value);
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G_END_DECLS
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@ -8,7 +8,8 @@ openmgdeps = [
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dependency('libsoup-2.4'),
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dependency('libsoup-2.4'),
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dependency('libxml-2.0'),
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dependency('libxml-2.0'),
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dependency('libpcre2-8'),
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dependency('libpcre2-8'),
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dependency('gio-2.0')
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dependency('gio-2.0'),
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dependency('sqlite3')
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]
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]
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sources = [
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sources = [
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@ -26,11 +27,14 @@ sources = [
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'src/manga.c',
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'src/manga.c',
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'src/chapter.c',
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'src/chapter.c',
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'src/backend/readmng.c',
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'src/backend/readmng.c',
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'src/database.c',
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'src/database/statement.c',
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'src/main.c',
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'src/main.c',
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]
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]
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link_arguments = [
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link_arguments = [
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'-ldl'
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'-ldl',
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'-lm'
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]
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]
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executable('openmg',
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executable('openmg',
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BIN
src/database/.statement.c.swp
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BIN
src/database/.statement.c.swp
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Binary file not shown.
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src/database/statement.c
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142
src/database/statement.c
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#include <sqlite3.h>
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#include <glib-object.h>
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#include <openmg/database.h>
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#include <openmg/database/statement.h>
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struct _MgDatabaseStatement {
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GObject parent_instance;
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MgDatabase *owner;
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sqlite3_stmt *stmt;
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};
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G_DEFINE_TYPE (MgDatabaseStatement, mg_database_statement, G_TYPE_OBJECT)
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typedef enum {
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MG_DATABASE_STATEMENT_OWNER,
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MG_DATABASE_STATEMENT_STMT,
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MG_DATABASE_STATEMENT_N_PROPERTIES
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} MgDatabaseStatementProperties;
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static GParamSpec
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*database_statement_properties[MG_DATABASE_STATEMENT_N_PROPERTIES] = { NULL, };
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static void
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mg_database_statement_set_property (GObject *object,
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guint property_id,
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const GValue *value,
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GParamSpec *pspec);
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static void
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mg_database_statement_get_property (GObject *object,
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guint property_id,
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GValue *value,
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GParamSpec *pspec);
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static void
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mg_database_statement_dispose (GObject *object);
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MgDatabaseStatement *
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mg_database_statement_new (MgDatabase *owner, sqlite3_stmt *statement) {
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MgDatabaseStatement *self = NULL;
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self = MG_DATABASE_STATEMENT ((g_object_new (MG_TYPE_DATABASE_STATEMENT,
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"owner", owner, "stmt", statement)));
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return self;
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}
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static void
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mg_database_statement_class_init (MgDatabaseStatementClass *class) {
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GObjectClass *object_class = G_OBJECT_CLASS (class);
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object_class->set_property = mg_database_statement_set_property;
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object_class->get_property = mg_database_statement_get_property;
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object_class->dispose = mg_database_statement_dispose;
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database_statement_properties[MG_DATABASE_STATEMENT_OWNER] = g_param_spec_object (
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"owner",
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"Owner",
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"Owner MgDatabase.",
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MG_TYPE_DATABASE_STATEMENT,
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G_PARAM_CONSTRUCT_ONLY | G_PARAM_READWRITE);
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database_statement_properties[MG_DATABASE_STATEMENT_STMT] = g_param_spec_pointer (
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"stmt",
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"STMT",
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"Statement pointer",
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G_PARAM_CONSTRUCT_ONLY | G_PARAM_READWRITE);
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g_object_class_install_properties
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(object_class, MG_DATABASE_STATEMENT_N_PROPERTIES,
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database_statement_properties);
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}
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static void
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mg_database_statement_get_property (GObject *object,
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guint property_id,
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GValue *value,
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GParamSpec *pspec) {
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MgDatabaseStatement *self = MG_DATABASE_STATEMENT (object);
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switch ((MgDatabaseStatementProperties) property_id) {
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case MG_DATABASE_STATEMENT_OWNER:
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g_value_set_instance (value, self->owner);
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break;
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case MG_DATABASE_STATEMENT_STMT:
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g_value_set_pointer (value, self->stmt);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
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break;
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}
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}
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static void
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mg_database_statement_set_property (GObject *object,
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guint property_id,
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const GValue *value,
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GParamSpec *pspec) {
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MgDatabaseStatement *self = MG_DATABASE_STATEMENT (object);
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switch ((MgDatabaseStatementProperties) property_id) {
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case MG_DATABASE_STATEMENT_OWNER:
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if (self->owner) {
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g_clear_object (&(self->owner));
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}
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self->owner = g_value_peek_pointer (value);
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break;
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case MG_DATABASE_STATEMENT_STMT:
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if (self->stmt) {
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sqlite3_finalize (self->stmt);
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}
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self->stmt = g_value_get_pointer (value);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
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break;
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}
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}
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static sqlite3_stmt *
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mg_database_statement_get_stmt (MgDatabaseStatement *self) {
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sqlite3_stmt *stmt;
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GValue value = G_VALUE_INIT;
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g_value_init (&value, G_TYPE_POINTER);
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g_object_get_property (G_OBJECT (self),
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"stmt",
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&value);
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stmt = g_value_get_pointer (&value);
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g_value_unset (&value);
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return stmt;
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}
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static void
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mg_database_statement_dispose (GObject *object) {
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MgDatabaseStatement *self = MG_DATABASE_STATEMENT (object);
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g_clear_object (&(self->owner));
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sqlite3_finalize (self->stmt);
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}
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void
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mg_database_statement_bind_text (MgDatabaseStatement *self, int index, char *value) {
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sqlite3_stmt *stmt = mg_database_statement_get_stmt (self);
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int error = sqlite3_bind_text (stmt, index, value, -1, SQLITE_TRANSIENT);
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if ( error != SQLITE_OK ) {
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g_error (mg_database_get_error_string (self->owner));
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}
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}
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static void
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mg_database_statement_init (MgDatabaseStatement *self) {
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}
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