PDOException on Module Install PostgreSQL version 8.4.7 CentOS Linux 5.7 php 5.3.8

PDOException: SQLSTATE[42601]: Syntax error: 7 ERROR: type modifier is not allowed for type "text" at character 310: CREATE TABLE {bible_context} ( vsid serial CHECK (vsid >= 0), bid bigint CHECK (bid >= 0) NOT NULL default 0, book varchar(3) NOT NULL default '', chapter bigint CHECK (chapter >= 0) NOT NULL default 0, verse bigint CHECK (verse >= 0) NOT NULL default 0, linemark varchar(1) NOT NULL default '', context text(500) NOT NULL, PRIMARY KEY (vsid) ); Array ( ) in db_create_table() (line 2686 of /home/lbc/drupal-7.8/includes/database/database.inc).