SQL query for highlight

sql/highlight.sql

@@ -0,0 +1,64 @@
+-- README
+-- idx_ = index
+-- fk_  = foreign
+-- Create an index for fast lookups
+-- Defining constraints separately for better readability & maintainability
+
+-- Item table
+
+create table if not exists `catalog_item` (
+	`id`			int(11)			not null auto_increment primary key,
+	name 			varchar(36) 	not null
+) engine=InnoDB default charset=utf8mb4;
+
+-- Main table
+
+create table if not exists `highlight_category` (
+	`id`			int(11)			not null auto_increment primary key,
+	`title`			longtext		not null,
+	`desc`			longtext		default null,
+	`background`	longtext		default null,
+	`illustration`	longtext		default null
+) engine=InnoDB default charset=utf8mb4;
+
+-- Bridge table
+
+/*
+create table if not exists `highlight_<item>` (
+	`id`			int(11)			not null auto_increment primary key,
+	`<fk>`			int(11)			not null,
+	`category`		int(11)			not null,
+	key				`idx_<fk>`		(`<fk>`),
+	key				`idx_category`	(`category`),
+	constraint		`highlight_<item>_fk_<fk>`
+		foreign key (`<fk>`) references `<table>` (`<pk>`)
+		on update cascade
+		on delete cascade,
+	constraint		`highlight_videdu_fk_category`
+		foreign key (`category`) references `highlight_category` (`id`)
+		on update cascade
+		on delete cascade
+) engine=InnoDB default charset=utf8mb4;
+*/
+
+-- <item> 	= Your reference module name	: "catalog"			[2]
+-- <fk> 	= Your FK field name 			: "item"			[5]
+-- <table> 	= Your reference table name 	: "catalog_item"	[1]
+-- <pk> 	= Your reference table PK 		: "id"				[1]
+
+create table if not exists `highlight_catalog` (
+	`id`			int(11)			not null auto_increment primary key,
+	`item`			int(11)			not null,
+	`category`		int(11)			not null,
+	key				`idx_item`		(`item`),
+	key				`idx_category`	(`category`),
+	constraint		`highlight_catalog_fk_item`
+		foreign key (`item`) references `catalog_item` (`id`)
+		on update cascade
+		on delete cascade,
+	constraint		`highlight_videdu_fk_category`
+		foreign key (`category`) references `highlight_category` (`id`)
+		on update cascade
+		on delete cascade
+) engine=InnoDB default charset=utf8mb4;
+