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

	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

	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 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

	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

	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 [[ ${current_primary} != ${primary} ]]
		then
			mysqldo "ALTER TABLE ${MCORE_SQL_DB}.${table} ADD PRIMARY KEY (${primary});" || die "adding primary key to table '${table}'"
		fi
	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 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	#!/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="${line[0]}"
95	opts="${line[*]:1}"
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	# 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
143	table="${TABLE_DEFINITION[0]}"
144	count="${#TABLE_DEFINITION[*]}"
145
146	for ((i=1; i<count; i++))
147	do
148	line=( ${TABLE_DEFINITION[${i}]} )
149	column="${line[0]}"
150	after="${line[1]}"
151	opts="${line[*]:2}"
152
153	case ${opts} in
154	"PRIMARY KEY") opts="${opts//PRIMARY KEY}"; primary="${column}" ;;
155	"primary key") opts="${opts//primary key}"; primary="${column}" ;;
156	esac
157
158	case ${opts} in
159	AUTO_INCREMENT) opts="${opts//AUTO_INCREMENT}"; autoincrement="${column} ${opts}" ;;
160	auto_increment) opts="${opts//auto_increment}"; autoincrement="${column} ${opts}" ;;
161	esac
162
163	mysqldo "ALTER TABLE ${MCORE_SQL_DB}.${table} ADD ${column} ${opts} AFTER ${after_column};" \|\| die "add column '${table}'"
164	done
165
166	if [[ -n ${primary} ]]
167	then
168	mysqldo "ALTER TABLE ${MCORE_SQL_DB}.${table} ADD PRIMARY KEY (${primary});" \|\| die "adding primary key to table '${table}'"
169	fi
170	if [[ -n ${autoincrement} ]]
171	then
172	mysqldo "ALTER TABLE ${MCORE_SQL_DB}.${table} MODIFY ${autoincrement} AUTO_INCREMENT;" \|\| die "adding auto_increment to table '${table}'"
173	fi
174	}
175
176	# TABLE_DEFINITION=(
177	# "table_name"
178	# "column1_name column1_argvs"
179	# "column2_name column2_argvs"
180	# "columnN_name columnN_argvs"
181	# )
182	sql_modify_column()
183	{
184	local table
185	local count
186	local i
187	local line
188	local opts
189	local column
190	local autoincrement
191	local primary
192	local current_primary
193
194	table="${TABLE_DEFINITION[0]}"
195	count="${#TABLE_DEFINITION[*]}"
196
197	for ((i=1; i<count; i++))
198	do
199	line=( ${TABLE_DEFINITION[${i}]} )
200	column="${line[0]}"
201	opts="${line[*]:1}"
202
203	case ${opts} in
204	"PRIMARY KEY") opts="${opts//PRIMARY KEY}"; primary="${column}" ;;
205	"primary key") opts="${opts//primary key}"; primary="${column}" ;;
206	esac
207
208	case ${opts} in
209	AUTO_INCREMENT) opts="${opts//AUTO_INCREMENT}"; autoincrement="${column} ${opts}" ;;
210	auto_increment) opts="${opts//auto_increment}"; autoincrement="${column} ${opts}" ;;
211	esac
212
213	mysqldo "ALTER TABLE ${MCORE_SQL_DB}.${table} MODIFY ${column} ${opts};" \|\| die "modify table '${table}'"
214	done
215
216	if [[ -n ${primary} ]]
217	then
218	# only run this if the primary key is not already the same column
219	i=( $(mysqldo 'SHOW COLUMNS FROM ${MCORE_SQL_DB}.${table} WHERE `Key`="PRI"') )
220	current_primary="${i[0]}"
221	if [[ ${current_primary} != ${primary} ]]
222	then
223	mysqldo "ALTER TABLE ${MCORE_SQL_DB}.${table} ADD PRIMARY KEY (${primary});" \|\| die "adding primary key to table '${table}'"
224	fi
225	fi
226	if [[ -n ${autoincrement} ]]
227	then
228	mysqldo "ALTER TABLE ${MCORE_SQL_DB}.${table} MODIFY ${autoincrement} AUTO_INCREMENT;" \|\| die "adding auto_increment to table '${table}'"
229	fi
230	}
231
232	# VALUE_DEFINITION=(
233	# "table_name, value_column_name, bool_column_name, id_column_name"
234	# "value1, bool1"
235	# "value2, bool2"
236	# "valueN, boolN"
237	# )
238	sql_set_value()
239	{
240	local line
241	local meta
242	local table
243	local column_value
244	local column_bool
245	local column_id
246	local value
247	local bool
248	local count
249	local i
250	local id
251
252	count="${#VALUE_DEFINITION[*]}"
253	line="${VALUE_DEFINITION[0]}"
254	for i in ${line//,/ }
255	do
256	meta+=( "${i}" )
257	done
258
259	table="${meta[0]}"
260	column_value="${meta[1]}"
261	column_bool="${meta[2]}"
262	column_id="${meta[3]}"
263
264	for ((i=1; i<count; i++))
265	do
266	line="${VALUE_DEFINITION[${i}]}"
267	value="${line%%,*}"
268	bool="${line##*,}"
269	# remove any leading whitespaces
270	bool="${bool// }"
271
272	# now check if the value already exist in the database
273	id=$(mysqldo "SELECT ${column_id} FROM ${MCORE_SQL_DB}.${table} WHERE ${column_value}='${value}';")
274	if [[ -n ${id} ]]
275	then
276	# update value in database
277	mysqldo "UPDATE ${MCORE_SQL_DB}.${table} SET ${column_value}='${value}', ${column_bool}='${bool}' WHERE ${column_id}='${id}';" \|\| die "update value in table ${table}"
278	else
279	# insert into the database
280	mysqldo "INSERT INTO ${MCORE_SQL_DB}.${table} (${column_value}, ${column_bool}) VALUES ( '${value}', '${bool}' );" \|\| die "insert value into table ${table}"
281	fi
282	done
283	}
284
285	create_database()
286	{
287	create_database_schema
288
289	# update database schema version
290	mysqldo "INSERT INTO ${MCORE_SQL_DB}.meta_schema(version) VALUES ('${MCORE_SQL_DB_SCHEMA_VERSION}') ON DUPLICATE KEY UPDATE version='${MCORE_SQL_DB_SCHEMA_VERSION}';" \|\| die "updating schema version"
291	}
292
293	update_database()
294	{
295	local current_sql_db_schema_version
296	local i
297
298	current_sql_db_schema_version=$(mysqldo "SELECT MAX(version) from meta_schema;")
299
300	if [[ ${current_sql_db_schema_version} = ${MCORE_SQL_DB_SCHEMA_VERSION} ]]
301	then
302	echo "Database is already up to date"
303	return 0
304	fi
305
306	# run every update_to_database_version_X script which exist up to version MCORE_SQL_DB_SCHEMA_VERSION
307	for i in $(seq $((${current_sql_db_schema_version}+1)) ${MCORE_SQL_DB_SCHEMA_VERSION})
308	do
309	if [[ -n $(typeset -f update_to_database_schema_version_${i}) ]]
310	then
311	echo "Running update_to_database_schema_version_${i}()"
312	update_to_database_schema_version_${i} \|\| die
313	fi
314	done
315
316	# update database schema version
317	mysqldo "INSERT INTO ${MCORE_SQL_DB}.meta_schema(version) VALUES ('${MCORE_SQL_DB_SCHEMA_VERSION}') ON DUPLICATE KEY UPDATE version='${MCORE_SQL_DB_SCHEMA_VERSION}';" \|\| die "updating schema version"
318	}
319
320	fill_database()
321	{
322	local current_sql_db_values_version
323	local i
324
325	current_sql_db_values_version=$(mysqldo "SELECT MAX(version) from meta_values;")
326
327	if [[ ${current_sql_db_values_version} = ${MCORE_SQL_DB_VALUES_VERSION} ]]
328	then
329	echo "Database values are already up to date"
330	return 0
331	fi
332
333	create_database_values
334	# update database values version
335	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"
336	}
337
338	case $1 in
339	create)
340	create_database
341	fill_database
342	;;
343
344	update)
345	update_database
346	fill_database
347	;;
348	esac