Initial commit.

script/pgsimple_schema_0.6_action.sql

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+-- Add an action table for the purpose of capturing all actions applied to a database.
+-- The table is populated during application of a changeset, then osmosisUpdate is called,
+-- then the table is cleared all within a single database transaction.
+-- The contents of this table can be used to update derivative tables by customising the
+-- osmosisUpdate stored procedure.
+
+-- Create a table for actions.
+CREATE TABLE actions (
+	data_type character(1) NOT NULL,
+	action character(1) NOT NULL,
+	id bigint NOT NULL
+);
+
+-- Add primary key.
+ALTER TABLE ONLY actions ADD CONSTRAINT pk_actions PRIMARY KEY (data_type, id);