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authorfiaxh <git@mx.ax.lt>2017-03-02 15:37:32 +0100
committerfiaxh <git@mx.ax.lt>2017-03-02 15:37:32 +0100
commit56bc45ce4d07a7a9a415e9dc8ad2f7c3f3c9e48d (patch)
tree0bd0c2c80cb81179c26282fb3fbe8fd22983f40b /qlite/src/insert_builder.vala
downloaddino-56bc45ce4d07a7a9a415e9dc8ad2f7c3f3c9e48d.tar.gz
dino-56bc45ce4d07a7a9a415e9dc8ad2f7c3f3c9e48d.zip
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diff --git a/qlite/src/insert_builder.vala b/qlite/src/insert_builder.vala
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+using Sqlite;
+
+namespace Qlite {
+
+public class InsertBuilder : StatementBuilder {
+
+ // INSERT [OR ...]
+ private bool replace_val;
+ private string or_val;
+
+ // INTO [...]
+ private Table table;
+ private string table_name;
+
+ // VALUES [...]
+ private StatementBuilder.Field[] fields;
+
+ protected InsertBuilder(Database db) {
+ base(db);
+ }
+
+ public InsertBuilder replace() {
+ this.replace_val = true;
+ return this;
+ }
+
+ public InsertBuilder or(string or) {
+ this.or_val = or;
+ return this;
+ }
+
+ public InsertBuilder into(Table table) {
+ this.table = table;
+ this.table_name = table.name;
+ return this;
+ }
+
+ public InsertBuilder into_name(string table) {
+ this.table_name = table;
+ return this;
+ }
+
+ public InsertBuilder value<T>(Column<T> column, T value) {
+ if (fields == null) {
+ fields = { new StatementBuilder.Field<T>(column, value) };
+ } else {
+ StatementBuilder.Field[] fields_new = new StatementBuilder.Field[fields.length+1];
+ for (int i = 0; i < fields.length; i++) {
+ fields_new[i] = fields[i];
+ }
+ fields_new[fields.length] = new Field<T>(column, value);
+ fields = fields_new;
+ }
+ return this;
+ }
+
+ public InsertBuilder value_null<T>(Column<T> column) {
+ if (column.not_null) throw new DatabaseError.ILLEGAL_QUERY(@"Can't set non-null column $(column.name) to null");
+ if (fields == null) {
+ fields = { new NullField<T>(column) };
+ } else {
+ StatementBuilder.Field[] fields_new = new StatementBuilder.Field[fields.length+1];
+ for (int i = 0; i < fields.length; i++) {
+ fields_new[i] = fields[i];
+ }
+ fields_new[fields.length] = new NullField<T>(column);
+ fields = fields_new;
+ }
+ return this;
+ }
+
+ public override Statement prepare() throws DatabaseError {
+ string fields_text = "";
+ string value_qs = "";
+ for (int i = 0; i < fields.length; i++) {
+ if (i != 0) {
+ value_qs += ", ";
+ fields_text += ", ";
+ }
+ fields_text += fields[i].column.name;
+ value_qs += "?";
+ }
+ string sql = replace_val ? "REPLACE" : "INSERT";
+ if (!replace_val && or_val != null) sql += @" OR $or_val";
+ sql += @" INTO $table_name ( $fields_text ) VALUES ($value_qs)";
+ Statement stmt = db.prepare(sql);
+ for (int i = 0; i < fields.length; i++) {
+ fields[i].bind(stmt, i+1);
+ }
+ return stmt;
+ }
+
+ public int64 perform() throws DatabaseError {
+ if (prepare().step() != DONE) {
+ throw new DatabaseError.EXEC_ERROR(@"SQLite error: $(db.errcode()) - $(db.errmsg())");
+ }
+ return db.last_insert_rowid();
+ }
+
+}
+
+} \ No newline at end of file