Class: ladybug::PreparedStatement

Inherits:

Object

• Object
• ladybug::PreparedStatement

Defined in:

ext/ladybug_ext/prepared_statement.c

Instance Method Summary

• #bind_variable(name, value) ⇒ Object

  Binds the given value to the given parameter name in the prepared statement.

• #connection ⇒ Object

  Return the Ladybug::Connection used to run this statement.

• #query ⇒ String

  Return the query string used to build this statement.

• #success? ⇒ Boolean

  Returns true if the query was prepared successfully.

Instance Method Details

#bind_variable(name, value) ⇒ Object

Binds the given value to the given parameter name in the prepared statement

# File 'ext/ladybug_ext/prepared_statement.c', line 251

static VALUE
rlbug_prepared_statement_bind_variable( VALUE self, VALUE name, VALUE value )
{
	rlbug_prepared_statement *stmt = CHECK_PREPARED_STATEMENT( self );
	VALUE name_string = rb_funcall( name, rb_intern("to_s"), 0 );
	const char *name_s = StringValueCStr( name_string );
	lbug_value *null_value;

	switch (TYPE(value)) {
		case T_TRUE:
		case T_FALSE:
			lbug_prepared_statement_bind_bool( &stmt->statement, name_s, RTEST(value) );
			break;

		// fallthrough
		case T_FLOAT:
			lbug_prepared_statement_bind_float( &stmt->statement, name_s, NUM2DBL(value) );
			break;

		case T_BIGNUM:
			lbug_prepared_statement_bind_int64( &stmt->statement, name_s, NUM2LL(value) );
			break;

		case T_FIXNUM:
			lbug_prepared_statement_bind_int32( &stmt->statement, name_s, NUM2INT(value) );
			break;

		case T_SYMBOL:
			rb_notimplement();
			break; // not reached

		case T_NIL:
			null_value = lbug_value_create_null();
			lbug_prepared_statement_bind_value( &stmt->statement, name_s, null_value );
			lbug_value_destroy( null_value );
			break;

		case T_OBJECT:
		case T_CLASS:
		case T_MODULE:
		case T_REGEXP:
		case T_ARRAY:
		case T_HASH:
		case T_STRUCT:
		case T_COMPLEX:
		case T_RATIONAL:
		case T_FILE:
		case T_DATA:
		case T_STRING:
		default:
			rlbug_bind_string( stmt, name_s, value );
			break;

			// lbug_prepared_statement_bind_int8
			// lbug_prepared_statement_bind_int16
			// lbug_prepared_statement_bind_uint64
			// lbug_prepared_statement_bind_uint32
			// lbug_prepared_statement_bind_uint16
			// lbug_prepared_statement_bind_uint8

			// lbug_prepared_statement_bind_double
			// lbug_prepared_statement_bind_date
			// lbug_prepared_statement_bind_timestamp_ns
			// lbug_prepared_statement_bind_timestamp_sec
			// lbug_prepared_statement_bind_timestamp_tz
			// lbug_prepared_statement_bind_timestamp_ms
			// lbug_prepared_statement_bind_timestamp
			// lbug_prepared_statement_bind_interval
			// lbug_prepared_statement_bind_value
	}

	return Qtrue;
}

#connection ⇒ Object

Return the Ladybug::Connection used to run this statement.

# File 'ext/ladybug_ext/prepared_statement.c', line 341

static VALUE
rlbug_prepared_statement_connection( VALUE self )
{
	rlbug_prepared_statement *statement_s = rlbug_get_prepared_statement( self );
	return statement_s->connection;
}

#query ⇒ String

Return the query string used to build this statement.

Returns:

• (String)

# File 'ext/ladybug_ext/prepared_statement.c', line 356

static VALUE
rlbug_prepared_statement_query( VALUE self )
{
	rlbug_prepared_statement *statement_s = rlbug_get_prepared_statement( self );
	return statement_s->query;
}

#success? ⇒ Boolean

Returns true if the query was prepared successfully.

Returns:

• (Boolean)

# File 'ext/ladybug_ext/prepared_statement.c', line 231

static VALUE
rlbug_prepared_statement_success_p( VALUE self )
{
	rlbug_prepared_statement *stmt = CHECK_PREPARED_STATEMENT( self );

	if ( lbug_prepared_statement_is_success(&stmt->statement) ) {
		return Qtrue;
	} else {
		return Qfalse;
	}
}