first commit

ivm.sh

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+-- Drop existing tables if they exist
+DROP MATERIALIZED VIEW IF EXISTS mv_normal;
+DROP TABLE IF EXISTS pgbench_accounts;
+DROP TABLE IF EXISTS pgbench_branches;
+
+-- Create sample tables
+CREATE TABLE pgbench_accounts (
+    aid INT PRIMARY KEY,
+    abalance INT,
+    bid INT -- Ensure this column exists for the join
+);
+
+CREATE TABLE pgbench_branches (
+    bid INT PRIMARY KEY,
+    bbalance INT
+);
+
+-- Insert some sample data
+INSERT INTO pgbench_accounts (aid, abalance, bid) VALUES (1, 1000, 1), (2, 2000, 2);
+INSERT INTO pgbench_branches (bid, bbalance) VALUES (1, 500), (2, 600);
+
+
+-- Create a normal materialized view
+CREATE MATERIALIZED VIEW mv_normal AS
+SELECT a.aid, b.bid, a.abalance, b.bbalance
+FROM pgbench_accounts a
+JOIN pgbench_branches b ON a.bid = b.bid; -- Use explicit join condition
+
+-- Test REFRESH MATERIALIZED VIEW
+REFRESH MATERIALIZED VIEW mv_normal;
+
+
+-- Create the pg_ivm extension
+CREATE EXTENSION pg_ivm;
+
+-- Create an IMMV
+SELECT create_immv('immv', 'SELECT a.aid, b.bid, a.abalance, b.bbalance FROM pgbench_accounts a JOIN pgbench_branches b ON a.bid = b.bid');
+
+-- Test updating base tables and IMMV
+UPDATE pgbench_accounts SET abalance = 1234 WHERE aid = 1;
+SELECT * FROM immv WHERE aid = 1;
+
+-- Drop index for further testing
+DROP INDEX IF EXISTS immv_index;
+
+-- Update base tables and test performance without index
+UPDATE pgbench_accounts SET abalance = 9876 WHERE aid = 1;
+SELECT * FROM immv WHERE aid = 1;

pg_views/Dockerfile

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+FROM ghcr.io/cloudnative-pg/postgresql:16-bookworm
+
+# Set environment variables for PostgreSQL
+ENV POSTGRES_USER=postgres
+ENV POSTGRES_PASSWORD=postgres
+ENV POSTGRES_DB=postgres
+
+USER root
+
+# Install build dependencies and pg_cron
+RUN apt-get update && \
+    apt-get install -y \
+    build-essential \
+    git \
+    postgresql-server-dev-16 \
+    postgresql-16-cron
+
+# Configure PostgreSQL for pg_cron
+RUN echo "shared_preload_libraries = 'pg_cron'" >> /usr/share/postgresql/postgresql.conf.sample && \
+    echo "cron.database_name = 'postgres'" >> /usr/share/postgresql/postgresql.conf.sample && \
+    echo "cron.timezone = 'GMT'" >> /usr/share/postgresql/postgresql.conf.sample
+
+# Clone the pg_ivm repository
+RUN git clone https://github.com/sraoss/pg_ivm.git /pg_ivm
+
+# Build and install the pg_ivm extension
+WORKDIR /pg_ivm
+RUN make && make install
+
+# Switch back to the default directory
+WORKDIR /
+
+USER 26
+
+# Expose the PostgreSQL port
+EXPOSE 5432
+
+# Start PostgreSQL server
+CMD ["postgres"]