scripts/sql-schema/mcore-sql-schema.sh

#!/bin/bash

# include everything from include
for inc in $(find ./include -type f -name \*.sh)
do
	source "${inc}"
done

die()
{
	echo "ERROR: $@"
	exit 1
}

mysql_command()
{
	local sql_user
	local sql_pass
	local sql_host
	local sql_db
	local sql_command

	sql_user=$1
	sql_pass=$2
	sql_host=$3
	sql_db=$4
	sql_command=$5

	#fallback (sql_opts not, they are optional )
	if [ -z "${sql_user}" \
		-o -z "${sql_pass}" \
		-o -z "${sql_host}" \
		-o -z "${sql_db}" \
		-o -z "${sql_command}" ]
	then
		echo
		echo "Usage:"
		echo -e "      mysql_command user pass host db \"sql-command\""
		echo
		return 1
	fi

	mysql \
		--user="${sql_user}" \
		--password="${sql_pass}" \
		--host="${sql_host}" \
		--database="${sql_db}" \
		--batch \
		--skip-column-names \
		--execute="${sql_command}" \
		|| return 1

	return 0
}

mysqldo()
{
	mysql_command \
		"${MCORE_SQL_USER}" \
		"${MCORE_SQL_PASS}" \
		"${MCORE_SQL_HOST}" \
		"${MCORE_SQL_DB}" \
		"$@" \
		&& return 0 || return 1
}

# creates a mysql table with help of a defined array TABLE_DEFINITION:
# array values are a struct like this:
# first array element is the table name, everything else are column descriptions
# TABLE_DEFINITION=(
#		"table_name"
#			"column1_name column1_argvs"
#			"column2_name column2_argvs"
#			"columnN_name columnN_argvs"
#	)
sql_create_table()
{
	local table
	local count
	local i
	local line
	local opts
	local column
	local autoincrement
	local primary
	local create

	table="${TABLE_DEFINITION[0]}"
	count="${#TABLE_DEFINITION[*]}"

	for ((i=1; i<count; i++))
	do
		line="${TABLE_DEFINITION[${i}]}"
		column="${line%% *}"
		opts="${line/${column} /}"

		case ${opts} in
			*"PRIMARY KEY"*) opts="${opts//PRIMARY KEY}"; primary="${column}" ;;
			*"primary key"*) opts="${opts//primary key}"; primary="${column}" ;;
		esac

		case ${opts} in
			*AUTO_INCREMENT*) opts="${opts//AUTO_INCREMENT}"; autoincrement="${column} ${opts}" ;;
			*auto_increment*) opts="${opts//auto_increment}"; autoincrement="${column} ${opts}" ;;
		esac

		if [[ -z ${create} ]]
		then
			create="${column} ${opts}"
		else
			create+=", ${column} ${opts}"
		fi
	done
	mysqldo "CREATE TABLE ${MCORE_SQL_DB}.${table} ( ${create} );" || die "creating table '${table}'"

	if [[ -n ${primary} ]]
	then
		mysqldo "ALTER TABLE ${MCORE_SQL_DB}.${table} ADD PRIMARY KEY (${primary});" || die "adding primary key to table '${table}'"
	fi
	if [[ -n ${autoincrement} ]]
	then
		mysqldo "ALTER TABLE ${MCORE_SQL_DB}.${table} MODIFY ${autoincrement} AUTO_INCREMENT;" || die "adding auto_increment to table '${table}'"
	fi
}

# VALUE_DEFINITION=(
#		"table_name, value_column_name, bool_column_name, id_column_name"
#			"value1, bool1"
#			"value2, bool2"
#			"valueN, boolN"
#	)
sql_set_value()
{
	local line
	local meta
	local table
	local column_value
	local column_bool
	local column_id
	local value
	local bool
	local count
	local i
	local id

	count="${#VALUE_DEFINITION[*]}"
	line="${VALUE_DEFINITION[0]}"
	for i in ${line//,/ }
	do
		meta+=( "${i}" )
	done

	table="${meta[0]}"
	column_value="${meta[1]}"
	column_bool="${meta[2]}"
	column_id="${meta[3]}"

	for ((i=1; i<count; i++))
	do
		line="${VALUE_DEFINITION[${i}]}"
		value="${line%%,*}"
		bool="${line##*,}"
		# remove any leading whitespaces
		bool="${bool// }"

		# now check if the value already exist in the database
		id=$(mysqldo "SELECT ${column_id} FROM ${MCORE_SQL_DB}.${table} WHERE ${column_value}='${value}';")
		if [[ -n ${id} ]]
		then
			# update value in database
			mysqldo "UPDATE ${MCORE_SQL_DB}.${table} SET ${column_value}='${value}', ${column_bool}='${bool}' WHERE ${column_id}='${id}';" || die "update value in table ${table}"
		else
			# insert into the database
			mysqldo "INSERT INTO ${MCORE_SQL_DB}.${table} (${column_value}, ${column_bool}) VALUES ( '${value}', '${bool}' );" || die "insert value into table ${table}"
		fi
	done
}

update_to_database_schema_version_2()
{
	return 0
}

update_to_database_schema_version_3()
{
	return 0
}

create_database()
{
	create_database_schema
}

update_database()
{
	local current_sql_db_version
	local i

	current_sql_db_version=$(mysqldo "SELECT MAX(version) from meta;")

	if [[ ${current_sql_db_version} = ${MCORE_SQL_DB_VERSION} ]]
	then
		echo "Database is already up to date"
		return 0
	fi

	# run every update_to_database_version_X script which exist up to version MCORE_SQL_DB_VERSION
	for i in $(seq $((${current_sql_db_version}+1)) ${MCORE_SQL_DB_VERSION})
	do
		if [[ -n $(typeset -f update_to_database_version_${i}) ]]
		then
			echo "Running update_to_database_schema_version_${i}()"
			update_to_database_schema_version_${i}
		fi
	done
}

fill_database()
{
	create_database_values
}

case $1 in
	create)
		create_database
		fill_database
		;;

	update)
		update_database
		fill_database
		;;
esac
1	niro	8485	#!/bin/bash
2
3			# include everything from include
4			for inc in $(find ./include -type f -name \*.sh)
5			do
6			source "${inc}"
7			done
8
9			die()
10			{
11			echo "ERROR: $@"
12			exit 1
13			}
14
15			mysql_command()
16			{
17			local sql_user
18			local sql_pass
19			local sql_host
20			local sql_db
21			local sql_command
22
23			sql_user=$1
24			sql_pass=$2
25			sql_host=$3
26			sql_db=$4
27			sql_command=$5
28
29			#fallback (sql_opts not, they are optional )
30			if [ -z "${sql_user}" \
31			-o -z "${sql_pass}" \
32			-o -z "${sql_host}" \
33			-o -z "${sql_db}" \
34			-o -z "${sql_command}" ]
35			then
36			echo
37			echo "Usage:"
38			echo -e " mysql_command user pass host db \"sql-command\""
39			echo
40			return 1
41			fi
42
43			mysql \
44			--user="${sql_user}" \
45			--password="${sql_pass}" \
46			--host="${sql_host}" \
47			--database="${sql_db}" \
48			--batch \
49			--skip-column-names \
50			--execute="${sql_command}" \
51			\|\| return 1
52
53			return 0
54			}
55
56			mysqldo()
57			{
58			mysql_command \
59			"${MCORE_SQL_USER}" \
60			"${MCORE_SQL_PASS}" \
61			"${MCORE_SQL_HOST}" \
62			"${MCORE_SQL_DB}" \
63			"$@" \
64			&& return 0 \|\| return 1
65			}
66
67			# creates a mysql table with help of a defined array TABLE_DEFINITION:
68			# array values are a struct like this:
69			# first array element is the table name, everything else are column descriptions
70			# TABLE_DEFINITION=(
71			# "table_name"
72			# "column1_name column1_argvs"
73			# "column2_name column2_argvs"
74			# "columnN_name columnN_argvs"
75			# )
76			sql_create_table()
77			{
78			local table
79			local count
80			local i
81			local line
82			local opts
83			local column
84			local autoincrement
85			local primary
86			local create
87
88			table="${TABLE_DEFINITION[0]}"
89			count="${#TABLE_DEFINITION[*]}"
90
91			for ((i=1; i<count; i++))
92			do
93			line="${TABLE_DEFINITION[${i}]}"
94			column="${line%% *}"
95			opts="${line/${column} /}"
96
97			case ${opts} in
98			"PRIMARY KEY") opts="${opts//PRIMARY KEY}"; primary="${column}" ;;
99			"primary key") opts="${opts//primary key}"; primary="${column}" ;;
100			esac
101
102			case ${opts} in
103			AUTO_INCREMENT) opts="${opts//AUTO_INCREMENT}"; autoincrement="${column} ${opts}" ;;
104			auto_increment) opts="${opts//auto_increment}"; autoincrement="${column} ${opts}" ;;
105			esac
106
107			if [[ -z ${create} ]]
108			then
109			create="${column} ${opts}"
110			else
111			create+=", ${column} ${opts}"
112			fi
113			done
114			mysqldo "CREATE TABLE ${MCORE_SQL_DB}.${table} ( ${create} );" \|\| die "creating table '${table}'"
115
116			if [[ -n ${primary} ]]
117			then
118			mysqldo "ALTER TABLE ${MCORE_SQL_DB}.${table} ADD PRIMARY KEY (${primary});" \|\| die "adding primary key to table '${table}'"
119			fi
120			if [[ -n ${autoincrement} ]]
121			then
122			mysqldo "ALTER TABLE ${MCORE_SQL_DB}.${table} MODIFY ${autoincrement} AUTO_INCREMENT;" \|\| die "adding auto_increment to table '${table}'"
123			fi
124			}
125
126			# VALUE_DEFINITION=(
127			# "table_name, value_column_name, bool_column_name, id_column_name"
128			# "value1, bool1"
129			# "value2, bool2"
130			# "valueN, boolN"
131			# )
132			sql_set_value()
133			{
134			local line
135			local meta
136			local table
137			local column_value
138			local column_bool
139			local column_id
140			local value
141			local bool
142			local count
143			local i
144			local id
145
146			count="${#VALUE_DEFINITION[*]}"
147			line="${VALUE_DEFINITION[0]}"
148			for i in ${line//,/ }
149			do
150			meta+=( "${i}" )
151			done
152
153			table="${meta[0]}"
154			column_value="${meta[1]}"
155			column_bool="${meta[2]}"
156			column_id="${meta[3]}"
157
158			for ((i=1; i<count; i++))
159			do
160			line="${VALUE_DEFINITION[${i}]}"
161			value="${line%%,*}"
162			bool="${line##*,}"
163			# remove any leading whitespaces
164			bool="${bool// }"
165
166			# now check if the value already exist in the database
167			id=$(mysqldo "SELECT ${column_id} FROM ${MCORE_SQL_DB}.${table} WHERE ${column_value}='${value}';")
168			if [[ -n ${id} ]]
169			then
170			# update value in database
171			mysqldo "UPDATE ${MCORE_SQL_DB}.${table} SET ${column_value}='${value}', ${column_bool}='${bool}' WHERE ${column_id}='${id}';" \|\| die "update value in table ${table}"
172			else
173			# insert into the database
174			mysqldo "INSERT INTO ${MCORE_SQL_DB}.${table} (${column_value}, ${column_bool}) VALUES ( '${value}', '${bool}' );" \|\| die "insert value into table ${table}"
175			fi
176			done
177			}
178
179			update_to_database_schema_version_2()
180			{
181			return 0
182			}
183
184			update_to_database_schema_version_3()
185			{
186			return 0
187			}
188
189			create_database()
190			{
191			create_database_schema
192			}
193
194			update_database()
195			{
196			local current_sql_db_version
197			local i
198
199			current_sql_db_version=$(mysqldo "SELECT MAX(version) from meta;")
200
201			if [[ ${current_sql_db_version} = ${MCORE_SQL_DB_VERSION} ]]
202			then
203			echo "Database is already up to date"
204			return 0
205			fi
206
207			# run every update_to_database_version_X script which exist up to version MCORE_SQL_DB_VERSION
208			for i in $(seq $((${current_sql_db_version}+1)) ${MCORE_SQL_DB_VERSION})
209			do
210			if [[ -n $(typeset -f update_to_database_version_${i}) ]]
211			then
212			echo "Running update_to_database_schema_version_${i}()"
213			update_to_database_schema_version_${i}
214			fi
215			done
216			}
217
218			fill_database()
219			{
220			create_database_values
221			}
222
223			case $1 in
224			create)
225			create_database
226			fill_database
227			;;
228
229			update)
230			update_database
231			fill_database
232			;;
233			esac