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ch06/ch06.sql

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+-- Example 6-1. Basic Create Table
+CREATE TABLE logs(
+log_id serial primary key
+, user_name varchar(50)
+, description text
+, log_ts timestamp with time zone NOT NULL DEFAULT CURRENT_TIMESTAMP);
+CREATE INDEX idx_logs_log_ts ON logs USING btree(log_ts);
+
+-- Example 6-2. Defining an inherited table
+CREATE TABLE logs_2011(primary key(log_id)) INHERITS (logs);
+CREATE INDEX idx_logs_2011_log_ts ON logs USING btree(log_ts);
+ALTER TABLE logs_2011
+ADD CONSTRAINT chk_y2011 CHECK (log_ts BETWEEN '2011-01-01 00:00:00'::timestamptz AND
+'2011-12-31 23:59:59'::timestamptz);
+
+-- Example 6-3. Defining an unlogged table
+CREATE UNLOGGED TABLE web_sessions(
+session_id text PRIMARY KEY
+, add_ts timestamp
+, upd_ts timestamp
+, session_state xml);
+
+-- Example 6-4. Using multi-row consructor to insert data
+INSERT INTO logs_2011(user_name, description, log_ts)
+VALUES ('robe', 'logged in', '2011-01-10 10:15 AM'),
+('lhsu', 'logged out', '2011-01-11 10:20 AM');
+
+-- example: Creating lookup and insert non-numeric data
+CREATE SCHEMA census;
+set search_path=census;
+CREATE TABLE lu_tracts(tract_id varchar(11)
+, tract_long_id varchar(25)
+, tract_name varchar(150)
+, CONSTRAINT pk_lu_tracts PRIMARY KEY (tract_id)
+);
+INSERT INTO lu_tracts(
+  tract_id, tract_long_id, tract_name)
+SELECT geo_id2, geo_id, geo_display
+ FROM staging.factfinder_import
+ WHERE geo_id2 ~ '^[0-9]+';