#### -- PHP扩展有两个 1.php_pdo_pgsql 2.php_pgsql #### -- thinkPHP3.2.3连接pgsql 1.给数据添加函数 ~~~ CREATE OR REPLACE FUNCTION pgsql_type(a_type varchar) RETURNS varchar AS $BODY$ DECLARE v_type varchar; BEGIN IF a_type='int8' THEN v_type:='bigint'; ELSIF a_type='int4' THEN v_type:='integer'; ELSIF a_type='int2' THEN v_type:='smallint'; ELSIF a_type='bpchar' THEN v_type:='char'; ELSE v_type:=a_type; END IF; RETURN v_type; END; $BODY$ LANGUAGE PLPGSQL; CREATE TYPE "public"."tablestruct" AS ( "fields_key_name" varchar(100), "fields_name" VARCHAR(200), "fields_type" VARCHAR(20), "fields_length" BIGINT, "fields_not_null" VARCHAR(10), "fields_default" VARCHAR(500), "fields_comment" VARCHAR(1000) ); CREATE OR REPLACE FUNCTION "public"."table_msg" (a_schema_name varchar, a_table_name varchar) RETURNS SETOF "public"."tablestruct" AS $body$ DECLARE v_ret tablestruct; v_oid oid; v_sql varchar; v_rec RECORD; v_key varchar; BEGIN SELECT pg_class.oid INTO v_oid FROM pg_class INNER JOIN pg_namespace ON (pg_class.relnamespace = pg_namespace.oid AND lower(pg_namespace.nspname) = a_schema_name) WHERE pg_class.relname=a_table_name; IF NOT FOUND THEN RETURN; END IF; v_sql=' SELECT pg_attribute.attname AS fields_name, pg_attribute.attnum AS fields_index, pgsql_type(pg_type.typname::varchar) AS fields_type, pg_attribute.atttypmod-4 as fields_length, CASE WHEN pg_attribute.attnotnull THEN ''not null'' ELSE '''' END AS fields_not_null, pg_attrdef.adsrc AS fields_default, pg_description.description AS fields_comment FROM pg_attribute INNER JOIN pg_class ON pg_attribute.attrelid = pg_class.oid INNER JOIN pg_type ON pg_attribute.atttypid = pg_type.oid LEFT OUTER JOIN pg_attrdef ON pg_attrdef.adrelid = pg_class.oid AND pg_attrdef.adnum = pg_attribute.attnum LEFT OUTER JOIN pg_description ON pg_description.objoid = pg_class.oid AND pg_description.objsubid = pg_attribute.attnum WHERE pg_attribute.attnum > 0 AND attisdropped <> ''t'' AND pg_class.oid = ' || v_oid || ' ORDER BY pg_attribute.attnum' ; FOR v_rec IN EXECUTE v_sql LOOP v_ret.fields_name=v_rec.fields_name; v_ret.fields_type=v_rec.fields_type; IF v_rec.fields_length > 0 THEN v_ret.fields_length:=v_rec.fields_length; ELSE v_ret.fields_length:=NULL; END IF; v_ret.fields_not_null=v_rec.fields_not_null; v_ret.fields_default=v_rec.fields_default; v_ret.fields_comment=v_rec.fields_comment; SELECT constraint_name INTO v_key FROM information_schema.key_column_usage WHERE table_schema=a_schema_name AND table_name=a_table_name AND column_name=v_rec.fields_name; IF FOUND THEN v_ret.fields_key_name=v_key; ELSE v_ret.fields_key_name=''; END IF; RETURN NEXT v_ret; END LOOP; RETURN ; END; $body$ LANGUAGE 'plpgsql' VOLATILE CALLED ON NULL INPUT SECURITY INVOKER; COMMENT ON FUNCTION "public"."table_msg"(a_schema_name varchar, a_table_name varchar) IS '获得表信息'; ---重载一个函数 CREATE OR REPLACE FUNCTION "public"."table_msg" (a_table_name varchar) RETURNS SETOF "public"."tablestruct" AS $body$ DECLARE v_ret tablestruct; BEGIN FOR v_ret IN SELECT * FROM table_msg('public',a_table_name) LOOP RETURN NEXT v_ret; END LOOP; RETURN; END; $body$ LANGUAGE 'plpgsql' VOLATILE CALLED ON NULL INPUT SECURITY INVOKER; COMMENT ON FUNCTION "public"."table_msg"(a_table_name varchar) IS '获得表信息'; ~~~ 2.配置数据库连接参数 ~~~ // 数据库配置信息 'POSTGRESQL' => [ 'DB_TYPE' => 'pgsql', // 数据库类型 // 其它参数 ] ~~~ 3.创建模型 ~~~ <?php /** * ============================ * @Author: Li Guoguo * @Version: 1.0 * @DateTime: 2018-03-06 15:42:57 * @Last Modified by: Some-author * @Last Modified time: Some-datetime * ============================ */ namespace Common\Model; use Think\Model; class BasePostgresModel extends Model { public function __construct() { $this->connection = array( 'db_type' => C('POSTGRESQL.DB_TYPE'), // 其它参数 ); parent::__construct('', '', $this->connection); } } ~~~