79 lines
1.6 KiB
Bash
79 lines
1.6 KiB
Bash
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#!/bin/bash
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# Date: 2023-03-22
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# Developer: Hyperling
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# Purpose: Check if tables exist and if not then creates them
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DIR=`dirname $0`
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PROG=`basename $0`
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if [[ $DIR == "." ]]; then
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DIR="`pwd`"
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echo $DIR/$PROG
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fi
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DB="$DIR/db/main"
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DEBUG="$1"
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## Functions ##
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function check_table {
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# Validate that the table exists in the database. If so then sqlite returns
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# the DDL used to create it and we return success (0). Otherwise fail (1).
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table_name="$1"
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echo "Checking for $table_name..."
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typeset -l result
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result=`
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sqlite3 $DB <<- EOF
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.schema $table_name
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EOF
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`
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[[ -n $DEBUG ]] && echo $result
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if [[ $result == *"create table $table_name"* ]]; then
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echo "Found it!"
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return 0
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fi
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echo "Table not found."
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return 1
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}
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function run_ddl {
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#
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file_name="$1"
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echo "Running $file_name..."
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sqlite3 $DB <<- EOF
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.echo on
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.read $file_name
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EOF
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}
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function list_ddl {
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# List the full path of the table files which need to be run.
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ls $DIR/db/DDL/*
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}
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## Main ##
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echo "Ensuring DDL is applied and all patches are complete."
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# Lop through tables and their DDL.
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list_ddl | while read table_file; do
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echo "*** $table_file ***"
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# Get the name of the table based on the filename with no extension.
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table=`basename $table_file`
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table=${table//.sql/}
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# Check for the table.
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check_table $table || {
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# If the check fails, run the create statement.
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run_ddl $table_file && {
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# If the create succeeds, check for the table.
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check_table $table || {
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# If the check fails (again), throw an error and quit.
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echo "ERROR: Could not create $table!"
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exit 1
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}
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}
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}
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echo "Success!"
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done
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exit 0
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