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postgresql+postgis空間資料庫安裝總結

參考資料 postgresql+postgis安裝步驟圖解 PHP連線postgresql pgsql安裝步驟: pgsql安裝包直接安裝即可(安裝完成後自動提醒postgis),安裝過程的設定可以按照上面的網址進行 注意事項: 1.安裝過程中注意修改安裝檔案位置(方便之後更改配置) 2.安裝後登入名預設是:postgres(密碼在安裝過程中自己設定) pgsql配置: 1.設定其他人訪問伺服器pgsql 安裝PostgreSQL資料庫之後,預設是隻接受本地訪問連線,如果想在其他主機上訪問PostgreSQL資料庫伺服器: 第一步:修改pgsql資料夾下的data裡面的pg_hba.conf:
# IPv4 local connections: host all all 0.0.0.0/0 md5 # IPv6 local connections: #host all all 127.0.0.1/32 md5 host all all ::1/128 trust # Allow replication connections from localhost, by a user with the # replication privilege. #host replication postgres 127.0.0.1/32 md5 #host replication postgres ::1/128 md5 第二步:修改pgsql資料夾下的data裡面的postgresql.conf:
把#listen_addresses=’localhost’更改為listen_addresses=’*’ 第三步:修改防火牆配置,開啟5432埠:https://jingyan.baidu.com/article/f96699bbadafca894f3c1b7a.html 如果以上步驟修改後不行,去看下面的網址: 2.postgresql的sql管理器執行 如下程式碼:(為postgresql新增 函式 table_msg,不然無法執行sql語句或者報錯) 這條是針對php的 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 '獲得表資訊'; ---過載一個函式 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 '獲得表資訊'; 注意:如果使用的是tp框架需要修改 ThinkPHP\Library\Think\Db\Driver\Pgsql.class.PHP 裡的 getFields() 方法,通過轉義符把單引號新增 修改為: $result = $this->query('select fields_name as "field",fields_type as "type",fields_not_null as "null",fields_key_name as "key",fields_default as "default",fields_default as "extra" from table_msg(\''.$tableName.'\');'); 3.如果當前使用的資料庫是PostgreSQL 9.1+,那就無需使用template_postgis之類的模版資料庫來建立空間資料庫 使用一條擴充套件命令SQL即可令資料庫支援,在pgAdmin中開啟SQL檢視,輸入並執行: CREATE EXTENSION postgis; 執行成功後就開啟了pgsql對空間欄位的支援