Contents of /alx-src/branches/alx-web-070/scripts/sql-schema/mcore-sql-schema.sh
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Fri Feb 5 12:31:10 2016 UTC (8 years, 3 months ago) by niro
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File size: 4690 byte(s)
Fri Feb 5 12:31:10 2016 UTC (8 years, 3 months ago) by niro
File MIME type: application/x-sh
File size: 4690 byte(s)
-schema update functions gets included
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="${line%% *}" |
95 | opts="${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 ${table}" |
175 | fi |
176 | done |
177 | } |
178 | |
179 | create_database() |
180 | { |
181 | create_database_schema |
182 | } |
183 | |
184 | update_database() |
185 | { |
186 | local current_sql_db_version |
187 | local i |
188 | |
189 | current_sql_db_version=$(mysqldo "SELECT MAX(version) from meta;") |
190 | |
191 | if [[ ${current_sql_db_version} = ${MCORE_SQL_DB_VERSION} ]] |
192 | then |
193 | echo "Database is already up to date" |
194 | return 0 |
195 | fi |
196 | |
197 | # run every update_to_database_version_X script which exist up to version MCORE_SQL_DB_VERSION |
198 | for i in $(seq $((${current_sql_db_version}+1)) ${MCORE_SQL_DB_VERSION}) |
199 | do |
200 | if [[ -n $(typeset -f update_to_database_version_${i}) ]] |
201 | then |
202 | echo "Running update_to_database_schema_version_${i}()" |
203 | update_to_database_schema_version_${i} |
204 | fi |
205 | done |
206 | } |
207 | |
208 | fill_database() |
209 | { |
210 | create_database_values |
211 | } |
212 | |
213 | case $1 in |
214 | create) |
215 | create_database |
216 | fill_database |
217 | ;; |
218 | |
219 | update) |
220 | update_database |
221 | fill_database |
222 | ;; |
223 | esac |