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="${line[0]}"
		opts="${line[*]:1}"

		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
}

# TABLE_DEFINITION=(
#		"table_name"
#			"column1_name after_column column1_argvs"
#			"column2_name after_column column2_argvs"
#			"columnN_name after_column columnN_argvs"
#	)
sql_add_column()
{
	local table
	local count
	local i
	local line
	local opts
	local column
	local autoincrement
	local primary
	local current_primary
	local current_autoincrement
	local current_opts

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

	for ((i=1; i<count; i++))
	do
		line=( ${TABLE_DEFINITION[${i}]} )
		column="${line[0]}"
		after="${line[1]}"
		opts="${line[*]:2}"

		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

		mysqldo "ALTER TABLE ${MCORE_SQL_DB}.${table} ADD ${column} ${opts} AFTER ${after_column};" || die "add column '${table}'"
	done

	# delete an existing auto_increment first
	if [[ -n ${autoincrement} ]]
	then
		i=( $(mysqldo 'SHOW COLUMNS FROM '${MCORE_SQL_DB}.${table}' WHERE `Extra`="auto_increment"') )
		current_autoincrement="${i[0]}"
		if [[ ${current_autoincrement} != ${column} ]] && [[ -n ${current_autoincrement} ]]
		then
			current_opts=( "${i[1]}" ) # type eg int(11)
			# null or not
			case "${i[2]}" in
				NO|no) current_opts+=( "NOT NULL" ) ;;
				YES|yes) current_opts+=( "DEFAULT ${i[4]}" ) ;; # should never match, but to be save
			esac
			mysqldo "ALTER TABLE ${MCORE_SQL_DB}.${table} CHANGE ${current_autoincrement} ${current_autoincrement} ${current_opts};" || die "removing auto_increment to table '${table}'"
		fi
	fi

	if [[ -n ${primary} ]]
	then
		# only run this if the primary key is not already the same column
		i=( $(mysqldo 'SHOW COLUMNS FROM '${MCORE_SQL_DB}.${table}' WHERE `Key`="PRI"') )
		current_primary="${i[0]}"
		if [[ -n ${current_primary} ]]
		then
			mysqldo "ALTER TABLE ${MCORE_SQL_DB}.${table} DROP PRIMARY KEY;" || die "adding primary key to table '${table}'"
		fi
		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
}

# TABLE_DEFINITION=(
#		"table_name"
#			"column1_name column1_argvs"
#			"column2_name column2_argvs"
#			"columnN_name columnN_argvs"
#	)
sql_modify_column()
{
	local table
	local count
	local i
	local line
	local opts
	local column
	local autoincrement
	local primary
	local current_primary
	local current_autoincrement
	local current_opts

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

	for ((i=1; i<count; i++))
	do
		line=( ${TABLE_DEFINITION[${i}]} )
		column="${line[0]}"
		opts="${line[*]:1}"

		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

		mysqldo "ALTER TABLE ${MCORE_SQL_DB}.${table} MODIFY ${column} ${opts};" || die "modify table '${table}'"
	done

	# delete an existing auto_increment first
	if [[ -n ${autoincrement} ]]
	then
		i=( $(mysqldo 'SHOW COLUMNS FROM '${MCORE_SQL_DB}.${table}' WHERE `Extra`="auto_increment"') )
		echo "DEBUG: i='${i[*]}'"
		current_autoincrement="${i[0]}"
		if [[ ${current_autoincrement} != ${column} ]] && [[ -n ${current_autoincrement} ]]
		then
			current_opts=( "${i[1]}" ) # type eg int(11)
			# null or not
			case "${i[2]}" in
				NO|no) current_opts+=( "NOT NULL" ) ;;
				YES|yes) current_opts+=( "DEFAULT ${i[4]}" ) ;; # should never match, but to be save
			esac
			mysqldo "ALTER TABLE ${MCORE_SQL_DB}.${table} CHANGE ${current_autoincrement} ${current_autoincrement} ${current_opts};" || die "removing auto_increment to table '${table}'"
		fi
	fi

	if [[ -n ${primary} ]]
	then
		# only run this if the primary key is not already the same column
		i=( $(mysqldo 'SHOW COLUMNS FROM '${MCORE_SQL_DB}.${table}' WHERE `Key`="PRI"') )
		current_primary="${i[0]}"
		if [[ -n ${current_primary} ]]
		then
			mysqldo "ALTER TABLE ${MCORE_SQL_DB}.${table} DROP PRIMARY KEY;" || die "adding primary key to table '${table}'"
		fi
		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
}

create_database()
{
	create_database_schema

	# update database schema version
	mysqldo "INSERT INTO ${MCORE_SQL_DB}.meta_schema(version) VALUES ('${MCORE_SQL_DB_SCHEMA_VERSION}') ON DUPLICATE KEY UPDATE version='${MCORE_SQL_DB_SCHEMA_VERSION}';" || die "updating schema version"
}

update_database()
{
	local current_sql_db_schema_version
	local i

	current_sql_db_schema_version=$(mysqldo "SELECT MAX(version) from meta_schema;")

	if [[ ${current_sql_db_schema_version} = ${MCORE_SQL_DB_SCHEMA_VERSION} ]]
	then
		echo "Database schema is already up to date"
		return 0
	fi

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

	# update database schema version
	mysqldo "INSERT INTO ${MCORE_SQL_DB}.meta_schema(version) VALUES ('${MCORE_SQL_DB_SCHEMA_VERSION}') ON DUPLICATE KEY UPDATE version='${MCORE_SQL_DB_SCHEMA_VERSION}';" || die "updating schema version"
}

fill_database()
{
	local current_sql_db_values_version
	local i

	current_sql_db_values_version=$(mysqldo "SELECT MAX(version) from meta_values;")

	if [[ ${current_sql_db_values_version} = ${MCORE_SQL_DB_VALUES_VERSION} ]]
	then
		echo "Database values are already up to date"
		return 0
	fi

	create_database_values
	# update database values version
	mysqldo "INSERT INTO ${MCORE_SQL_DB}.meta_values(version) VALUES ('${MCORE_SQL_DB_VALUES_VERSION}') ON DUPLICATE KEY UPDATE version='${MCORE_SQL_DB_VALUES_VERSION}';" || die "updating values version"
}

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	niro	8493	line=( ${TABLE_DEFINITION[${i}]} )
94			column="${line[0]}"
95			opts="${line[*]:1}"
96	niro	8485
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	niro	8493	# TABLE_DEFINITION=(
127			# "table_name"
128			# "column1_name after_column column1_argvs"
129			# "column2_name after_column column2_argvs"
130			# "columnN_name after_column columnN_argvs"
131			# )
132			sql_add_column()
133			{
134			local table
135			local count
136			local i
137			local line
138			local opts
139			local column
140			local autoincrement
141			local primary
142	niro	8504	local current_primary
143			local current_autoincrement
144			local current_opts
145	niro	8493
146			table="${TABLE_DEFINITION[0]}"
147			count="${#TABLE_DEFINITION[*]}"
148
149			for ((i=1; i<count; i++))
150			do
151			line=( ${TABLE_DEFINITION[${i}]} )
152			column="${line[0]}"
153			after="${line[1]}"
154			opts="${line[*]:2}"
155
156			case ${opts} in
157			"PRIMARY KEY") opts="${opts//PRIMARY KEY}"; primary="${column}" ;;
158			"primary key") opts="${opts//primary key}"; primary="${column}" ;;
159			esac
160
161			case ${opts} in
162			AUTO_INCREMENT) opts="${opts//AUTO_INCREMENT}"; autoincrement="${column} ${opts}" ;;
163			auto_increment) opts="${opts//auto_increment}"; autoincrement="${column} ${opts}" ;;
164			esac
165
166	niro	8500	mysqldo "ALTER TABLE ${MCORE_SQL_DB}.${table} ADD ${column} ${opts} AFTER ${after_column};" \|\| die "add column '${table}'"
167	niro	8493	done
168
169	niro	8504	# delete an existing auto_increment first
170			if [[ -n ${autoincrement} ]]
171			then
172			i=( $(mysqldo 'SHOW COLUMNS FROM '${MCORE_SQL_DB}.${table}' WHERE `Extra`="auto_increment"') )
173			current_autoincrement="${i[0]}"
174			if [[ ${current_autoincrement} != ${column} ]] && [[ -n ${current_autoincrement} ]]
175			then
176			current_opts=( "${i[1]}" ) # type eg int(11)
177			# null or not
178			case "${i[2]}" in
179			NO\|no) current_opts+=( "NOT NULL" ) ;;
180			YES\|yes) current_opts+=( "DEFAULT ${i[4]}" ) ;; # should never match, but to be save
181			esac
182			mysqldo "ALTER TABLE ${MCORE_SQL_DB}.${table} CHANGE ${current_autoincrement} ${current_autoincrement} ${current_opts};" \|\| die "removing auto_increment to table '${table}'"
183			fi
184			fi
185
186	niro	8493	if [[ -n ${primary} ]]
187			then
188	niro	8504	# only run this if the primary key is not already the same column
189			i=( $(mysqldo 'SHOW COLUMNS FROM '${MCORE_SQL_DB}.${table}' WHERE `Key`="PRI"') )
190			current_primary="${i[0]}"
191			if [[ -n ${current_primary} ]]
192			then
193			mysqldo "ALTER TABLE ${MCORE_SQL_DB}.${table} DROP PRIMARY KEY;" \|\| die "adding primary key to table '${table}'"
194			fi
195	niro	8493	mysqldo "ALTER TABLE ${MCORE_SQL_DB}.${table} ADD PRIMARY KEY (${primary});" \|\| die "adding primary key to table '${table}'"
196			fi
197			if [[ -n ${autoincrement} ]]
198			then
199			mysqldo "ALTER TABLE ${MCORE_SQL_DB}.${table} MODIFY ${autoincrement} AUTO_INCREMENT;" \|\| die "adding auto_increment to table '${table}'"
200			fi
201			}
202
203			# TABLE_DEFINITION=(
204			# "table_name"
205			# "column1_name column1_argvs"
206			# "column2_name column2_argvs"
207			# "columnN_name columnN_argvs"
208			# )
209			sql_modify_column()
210			{
211			local table
212			local count
213			local i
214			local line
215			local opts
216			local column
217			local autoincrement
218			local primary
219	niro	8501	local current_primary
220	niro	8504	local current_autoincrement
221			local current_opts
222	niro	8493
223			table="${TABLE_DEFINITION[0]}"
224			count="${#TABLE_DEFINITION[*]}"
225
226			for ((i=1; i<count; i++))
227			do
228			line=( ${TABLE_DEFINITION[${i}]} )
229			column="${line[0]}"
230			opts="${line[*]:1}"
231
232			case ${opts} in
233			"PRIMARY KEY") opts="${opts//PRIMARY KEY}"; primary="${column}" ;;
234			"primary key") opts="${opts//primary key}"; primary="${column}" ;;
235			esac
236
237			case ${opts} in
238			AUTO_INCREMENT) opts="${opts//AUTO_INCREMENT}"; autoincrement="${column} ${opts}" ;;
239			auto_increment) opts="${opts//auto_increment}"; autoincrement="${column} ${opts}" ;;
240			esac
241
242	niro	8500	mysqldo "ALTER TABLE ${MCORE_SQL_DB}.${table} MODIFY ${column} ${opts};" \|\| die "modify table '${table}'"
243	niro	8493	done
244
245	niro	8504	# delete an existing auto_increment first
246			if [[ -n ${autoincrement} ]]
247			then
248			i=( $(mysqldo 'SHOW COLUMNS FROM '${MCORE_SQL_DB}.${table}' WHERE `Extra`="auto_increment"') )
249			echo "DEBUG: i='${i[*]}'"
250			current_autoincrement="${i[0]}"
251			if [[ ${current_autoincrement} != ${column} ]] && [[ -n ${current_autoincrement} ]]
252			then
253			current_opts=( "${i[1]}" ) # type eg int(11)
254			# null or not
255			case "${i[2]}" in
256			NO\|no) current_opts+=( "NOT NULL" ) ;;
257			YES\|yes) current_opts+=( "DEFAULT ${i[4]}" ) ;; # should never match, but to be save
258			esac
259			mysqldo "ALTER TABLE ${MCORE_SQL_DB}.${table} CHANGE ${current_autoincrement} ${current_autoincrement} ${current_opts};" \|\| die "removing auto_increment to table '${table}'"
260			fi
261			fi
262
263	niro	8493	if [[ -n ${primary} ]]
264			then
265	niro	8501	# only run this if the primary key is not already the same column
266	niro	8502	i=( $(mysqldo 'SHOW COLUMNS FROM '${MCORE_SQL_DB}.${table}' WHERE `Key`="PRI"') )
267	niro	8501	current_primary="${i[0]}"
268	niro	8504	if [[ -n ${current_primary} ]]
269	niro	8501	then
270	niro	8504	mysqldo "ALTER TABLE ${MCORE_SQL_DB}.${table} DROP PRIMARY KEY;" \|\| die "adding primary key to table '${table}'"
271	niro	8501	fi
272	niro	8504	mysqldo "ALTER TABLE ${MCORE_SQL_DB}.${table} ADD PRIMARY KEY (${primary});" \|\| die "adding primary key to table '${table}'"
273	niro	8493	fi
274			if [[ -n ${autoincrement} ]]
275			then
276			mysqldo "ALTER TABLE ${MCORE_SQL_DB}.${table} MODIFY ${autoincrement} AUTO_INCREMENT;" \|\| die "adding auto_increment to table '${table}'"
277			fi
278			}
279
280	niro	8485	# VALUE_DEFINITION=(
281			# "table_name, value_column_name, bool_column_name, id_column_name"
282			# "value1, bool1"
283			# "value2, bool2"
284			# "valueN, boolN"
285			# )
286			sql_set_value()
287			{
288			local line
289			local meta
290			local table
291			local column_value
292			local column_bool
293			local column_id
294			local value
295			local bool
296			local count
297			local i
298			local id
299
300			count="${#VALUE_DEFINITION[*]}"
301			line="${VALUE_DEFINITION[0]}"
302			for i in ${line//,/ }
303			do
304			meta+=( "${i}" )
305			done
306
307			table="${meta[0]}"
308			column_value="${meta[1]}"
309			column_bool="${meta[2]}"
310			column_id="${meta[3]}"
311
312			for ((i=1; i<count; i++))
313			do
314			line="${VALUE_DEFINITION[${i}]}"
315			value="${line%%,*}"
316			bool="${line##*,}"
317			# remove any leading whitespaces
318			bool="${bool// }"
319
320			# now check if the value already exist in the database
321			id=$(mysqldo "SELECT ${column_id} FROM ${MCORE_SQL_DB}.${table} WHERE ${column_value}='${value}';")
322			if [[ -n ${id} ]]
323			then
324			# update value in database
325			mysqldo "UPDATE ${MCORE_SQL_DB}.${table} SET ${column_value}='${value}', ${column_bool}='${bool}' WHERE ${column_id}='${id}';" \|\| die "update value in table ${table}"
326			else
327			# insert into the database
328			mysqldo "INSERT INTO ${MCORE_SQL_DB}.${table} (${column_value}, ${column_bool}) VALUES ( '${value}', '${bool}' );" \|\| die "insert value into table ${table}"
329			fi
330			done
331			}
332
333			create_database()
334			{
335			create_database_schema
336	niro	8495
337	niro	8498	# update database schema version
338			mysqldo "INSERT INTO ${MCORE_SQL_DB}.meta_schema(version) VALUES ('${MCORE_SQL_DB_SCHEMA_VERSION}') ON DUPLICATE KEY UPDATE version='${MCORE_SQL_DB_SCHEMA_VERSION}';" \|\| die "updating schema version"
339	niro	8485	}
340
341			update_database()
342			{
343	niro	8497	local current_sql_db_schema_version
344	niro	8485	local i
345
346	niro	8498	current_sql_db_schema_version=$(mysqldo "SELECT MAX(version) from meta_schema;")
347	niro	8485
348	niro	8497	if [[ ${current_sql_db_schema_version} = ${MCORE_SQL_DB_SCHEMA_VERSION} ]]
349	niro	8485	then
350	niro	8503	echo "Database schema is already up to date"
351	niro	8485	return 0
352			fi
353
354	niro	8496	# run every update_to_database_version_X script which exist up to version MCORE_SQL_DB_SCHEMA_VERSION
355	niro	8497	for i in $(seq $((${current_sql_db_schema_version}+1)) ${MCORE_SQL_DB_SCHEMA_VERSION})
356	niro	8485	do
357	niro	8495	if [[ -n $(typeset -f update_to_database_schema_version_${i}) ]]
358	niro	8485	then
359			echo "Running update_to_database_schema_version_${i}()"
360	niro	8495	update_to_database_schema_version_${i} \|\| die
361	niro	8485	fi
362			done
363	niro	8495
364	niro	8498	# update database schema version
365			mysqldo "INSERT INTO ${MCORE_SQL_DB}.meta_schema(version) VALUES ('${MCORE_SQL_DB_SCHEMA_VERSION}') ON DUPLICATE KEY UPDATE version='${MCORE_SQL_DB_SCHEMA_VERSION}';" \|\| die "updating schema version"
366	niro	8485	}
367
368			fill_database()
369			{
370	niro	8498	local current_sql_db_values_version
371			local i
372
373			current_sql_db_values_version=$(mysqldo "SELECT MAX(version) from meta_values;")
374
375			if [[ ${current_sql_db_values_version} = ${MCORE_SQL_DB_VALUES_VERSION} ]]
376			then
377			echo "Database values are already up to date"
378			return 0
379			fi
380
381	niro	8485	create_database_values
382	niro	8498	# update database values version
383			mysqldo "INSERT INTO ${MCORE_SQL_DB}.meta_values(version) VALUES ('${MCORE_SQL_DB_VALUES_VERSION}') ON DUPLICATE KEY UPDATE version='${MCORE_SQL_DB_VALUES_VERSION}';" \|\| die "updating values version"
384	niro	8485	}
385
386			case $1 in
387			create)
388			create_database
389			fill_database
390			;;
391
392			update)
393			update_database
394			fill_database
395			;;
396			esac