add mysql tables

tables/geojson.mysql.schema

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+CREATE TABLE IF NOT EXISTS geojson (
+      id BIGINT UNSIGNED,
+      alt VARCHAR(255) NOT NULL,
+      body LONGBLOB NOT NULL,
+      lastmodified INT NOT NULL,
+      UNIQUE KEY id_alt (id, alt),
+      KEY lastmodified (lastmodified)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;

tables/whosonfirst.go

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+package tables
+
+const WHOSONFIRST_TABLE_NAME string = "whosonfirst"

tables/whosonfirst.mysql.schema

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+CREATE TABLE IF NOT EXISTS whosonfirst (
+      id BIGINT UNSIGNED PRIMARY KEY,
+      properties JSON NOT NULL,
+      geometry GEOMETRY NOT NULL,
+      centroid POINT NOT NULL COMMENT 'This is not necessary a math centroid',
+      lastmodified INT NOT NULL,
+      parent_id BIGINT       GENERATED ALWAYS AS (JSON_UNQUOTE(JSON_EXTRACT(properties,'$."wof:parent_id"'))) VIRTUAL,
+      placetype VARCHAR(64)  GENERATED ALWAYS AS (JSON_UNQUOTE(JSON_EXTRACT(properties,'$."wof:placetype"'))) VIRTUAL,
+      is_current TINYINT     GENERATED ALWAYS AS (JSON_CONTAINS_PATH(properties, 'one', '$."mz:is_current"') AND JSON_UNQUOTE(JSON_EXTRACT(properties,'$."mz:is_current"'))) VIRTUAL,
+      is_nullisland TINYINT  GENERATED ALWAYS AS (JSON_CONTAINS_PATH(properties, 'one', '$."mz:is_nullisland"') AND JSON_LENGTH(JSON_EXTRACT(properties, '$."mz:is_nullisland"'))) VIRTUAL,
+      is_approximate TINYINT GENERATED ALWAYS AS (JSON_CONTAINS_PATH(properties, 'one', '$."mz:is_approximate"') AND JSON_LENGTH(JSON_EXTRACT(properties, '$."mz:is_approximate"'))) VIRTUAL,
+      is_ceased TINYINT      GENERATED ALWAYS AS (JSON_CONTAINS_PATH(properties, 'one', '$."edtf:cessation"') AND JSON_UNQUOTE(JSON_EXTRACT(properties,'$."edtf:cessation"')) != "" AND JSON_UNQUOTE(JSON_EXTRACT(properties,'$."edtf:cessation"')) != "open" AND json_unquote(json_extract(properties,'$."edtf:cessation"')) != "uuuu") VIRTUAL,
+      is_deprecated TINYINT  GENERATED ALWAYS AS (JSON_CONTAINS_PATH(properties, 'one', '$."edtf:deprecated"') AND JSON_UNQUOTE(JSON_EXTRACT(properties,'$."edtf:deprecated"')) != "" AND json_unquote(json_extract(properties,'$."edtf:deprecated"')) != "uuuu") VIRTUAL,
+      is_superseded TINYINT  GENERATED ALWAYS AS (JSON_LENGTH(JSON_EXTRACT(properties, '$."wof:superseded_by"')) > 0) VIRTUAL,
+      is_superseding TINYINT GENERATED ALWAYS AS (JSON_LENGTH(JSON_EXTRACT(properties, '$."wof:supersedes"')) > 0) VIRTUAL,
+      date_upper DATE	     GENERATED ALWAYS AS (JSON_UNQUOTE(JSON_EXTRACT(properties, '$."date:cessation_upper"'))) VIRTUAL,
+      date_lower DATE	     GENERATED ALWAYS AS (JSON_UNQUOTE(JSON_EXTRACT(properties, '$."date:inception_lower"'))) VIRTUAL,
+      KEY parent_id (parent_id),
+      KEY placetype (placetype),
+      KEY is_current (is_current),
+      KEY is_nullisland (is_nullisland),
+      KEY is_approximate (is_approximate),
+      KEY is_deprecated (is_deprecated),
+      KEY is_superseded (is_superseded),
+      KEY is_superseding (is_superseding),
+      KEY date_upper (date_upper),
+      KEY date_lower (date_lower),
+      SPATIAL KEY idx_geometry (geometry),
+      SPATIAL KEY idx_centroid (centroid)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;