Initial commit

1 files changed, 102 insertions, 0 deletions

diff --git a/qlite/src/insert_builder.vala b/qlite/src/insert_builder.vala
new file mode 100644
index 00000000..654935a6
--- /dev/null
+++ b/qlite/src/insert_builder.vala
@@ -0,0 +1,102 @@
+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();
+    }
+
+}
+
+}
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