code for importing values from wikidata

wikidata/create.sql

@@ -0,0 +1,75 @@
+DROP TABLE entity;
+DROP TABLE entity_label;
+DROP TABLE entity_description;
+DROP TABLE entity_alias;
+DROP TABLE entity_link;
+DROP TABLE entity_property;
+
+CREATE TABLE entity (
+    entity_id           bigint,
+    title               text,
+    pid                 bigint,
+    qid                 bigint,
+    datatype            text,
+    CONSTRAINT pk_entity PRIMARY KEY(entity_id)
+);
+
+CREATE TABLE entity_label  (
+    entity_id           bigint,
+    language            text,
+    label               text,
+    CONSTRAINT pk_entity_label PRIMARY KEY(entity_id,language)
+);
+
+CREATE TABLE entity_description  (
+    entity_id           bigint,
+    language            text,
+    description         text,
+    CONSTRAINT pk_entity_description PRIMARY KEY(entity_id,language)
+);
+
+CREATE TABLE entity_alias  (
+    entity_id           bigint,
+    language            text,
+    alias               text,
+    CONSTRAINT pk_entity_alias PRIMARY KEY(entity_id,language,alias)
+);
+
+CREATE TABLE entity_link  (
+    entity_id           bigint,
+    target              text,
+    value               text,
+    CONSTRAINT pk_entity_link PRIMARY KEY(entity_id,target)
+);
+
+CREATE TABLE entity_link_hit  (
+    entity_id           bigint,
+    target              text,
+    value               text,
+    hits		bigint,
+    CONSTRAINT pk_entity_link_hit PRIMARY KEY(entity_id,target)
+);
+
+CREATE TABLE link_hit  (
+    target              text,
+    value               text,
+    hits		bigint,
+    CONSTRAINT pk_link_hit PRIMARY KEY(target,value)
+);
+
+CREATE TABLE entity_property  (
+    entity_id           bigint,
+    order_id            bigint,
+    pid                 bigint,
+    string              text,
+    toqid               bigint,
+    location            geometry,
+    datetime		timestamp with time zone,
+    CONSTRAINT pk_entity_property PRIMARY KEY(entity_id, order_id)
+);
+
+CREATE TABLE import_link_hit  (
+    target              text,
+    value               text,
+    hits		bigint
+);