-- ----------------------------
-- Table structure for T_STUDENT
-- ----------------------------
DROP TABLE IF EXISTS "public"."T_STUDENT";
CREATE TABLE "public"."T_STUDENT" (
"id" int4,
"name" varchar(255) COLLATE "default",
"course" varchar(255) COLLATE "default"
)
WITH (OIDS=FALSE)
;
-- ----------------------------
-- Records of T_STUDENT
-- ----------------------------
INSERT INTO "public"."T_STUDENT" VALUES ('1', '李四', '12,45,1,66,7,89');
INSERT INTO "public"."T_STUDENT" VALUES ('2', '劉一', '1,5,8,9');
INSERT INTO "public"."T_STUDENT" VALUES ('3', '王五', '0,4,2');
INSERT INTO "public"."T_STUDENT" VALUES ('4', '張三', '1,2,5,7');
-- ----------------------------
-- Alter Sequences Owned By
-- ----------------------------
-- ----------------------------
-- Table structure for T_STUDENT
-- ----------------------------
DROP TABLE IF EXISTS "public"."T_STUDENT";
CREATE TABLE "public"."T_STUDENT" (
"id" int4,
"name" varchar(255) COLLATE "default",
"course" varchar(255) COLLATE "default"
)
WITH (OIDS=FALSE)
;
-- ----------------------------
-- Records of T_STUDENT
-- ----------------------------
INSERT INTO "public"."T_STUDENT" VALUES ('1', '李四', '12,45,1,66,7,89');
INSERT INTO "public"."T_STUDENT" VALUES ('2', '劉一', '1,5,8,9');
INSERT INTO "public"."T_STUDENT" VALUES ('3', '王五', '0,4,2');
INSERT INTO "public"."T_STUDENT" VALUES ('4', '張三', '1,2,5,7');
-- ----------------------------
-- Alter Sequences Owned By
-- ----------------------------
id name course
4 張三 1,2,5,7
1 李四 12,45,1,5,66,7,89
2 劉一 1,5,8,9
3 王五 0,4,2
SELECT * FROM "public"."T_STUDENT" WHERE string_to_array(course, ',') @> ARRAY['2','7']
結(jié)果：
id name course
4 張三 1,2,5,7
SELECT * FROM "public"."T_STUDENT" WHERE string_to_array(course, ',') @ array['5','12','45','1','0','4','2']
結(jié)果：
id name course
3 王五 0,4,2
SELECT * FROM "public"."T_STUDENT" WHERE string_to_array(course, ',') ARRAY['5','8','225','111']
結(jié)果：
id name course
4 張三 1,2,5,7
2 劉一 1,5,8,9
