Annotation of /alx-src/trunk/alx-config/alx-config/mysqlfunctions

#!/bin/bash

#
# mysql functions for the bash
# Version 0.1
#
# Niels Rogalla <niro@magellan-linux.de>
#

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
}

mysql_enum_colums(){
	local SQL_USER
	local SQL_PASS
	local SQL_HOST
	local SQL_DB
	local SQL_TABLE

	local SHOWTABLES
	local i
	local read
	local field
	local type
	local null
	local key
	local default
	local extra
	
	SQL_USER=$1
	SQL_PASS=$2
	SQL_HOST=$3
	SQL_DB=$4
	SQL_TABLE=$5
	
	#show the column names ?
	if [ -n "${6}" -a "${6}" == "show" ] 
	then
		SHOWTABLES=true
	else
		 SHOWTABLES=false
	fi

	#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_TABLE}" ]
	then
		echo
		echo "Usage:"
		echo -e "      mysql_enum_columns user pass host db table [show]"
		echo
		return 1
	fi

	declare -i i=0
	while read field type null key default extra
	do
		i=${i}+1
		[ "${SHOWTABLES}" == true ] && echo "${field}"
	done << EOF
$(mysql_command ${SQL_USER} ${SQL_PASS} ${SQL_HOST} ${SQL_DB} "show columns from ${SQL_TABLE};")
EOF
	[ "${SHOWTABLES}" == true ] || echo "${i}"
}
1	niro	217	#!/bin/bash
2
3			#
4			# mysql functions for the bash
5			# Version 0.1
6			#
7			# Niels Rogalla <niro@magellan-linux.de>
8			#
9
10			mysql_command(){
11
12			local SQL_USER
13			local SQL_PASS
14			local SQL_HOST
15			local SQL_DB
16			local SQL_COMMAND
17
18			SQL_USER=$1
19			SQL_PASS=$2
20			SQL_HOST=$3
21			SQL_DB=$4
22			SQL_COMMAND=$5
23
24			#fallback (SQL_OPTS not, they are optional )
25			if [ -z "${SQL_USER}" \
26			-o -z "${SQL_PASS}" \
27			-o -z "${SQL_HOST}" \
28			-o -z "${SQL_DB}" \
29			-o -z "${SQL_COMMAND}" ]
30			then
31			echo
32			echo "Usage:"
33			echo -e " mysql_command user pass host db \"sql-command\""
34			echo
35			return 1
36			fi
37
38			mysql \
39			--user="${SQL_USER}" \
40			--password="${SQL_PASS}" \
41			--host="${SQL_HOST}" \
42			--database="${SQL_DB}" \
43			--batch \
44			--skip-column-names \
45			--execute="${SQL_COMMAND}" \
46			\|\| return 1
47
48			return 0
49			}
50
51			mysql_enum_colums(){
52			local SQL_USER
53			local SQL_PASS
54			local SQL_HOST
55			local SQL_DB
56			local SQL_TABLE
57
58			local SHOWTABLES
59			local i
60			local read
61			local field
62			local type
63			local null
64			local key
65			local default
66			local extra
67
68			SQL_USER=$1
69			SQL_PASS=$2
70			SQL_HOST=$3
71			SQL_DB=$4
72			SQL_TABLE=$5
73
74			#show the column names ?
75			if [ -n "${6}" -a "${6}" == "show" ]
76			then
77			SHOWTABLES=true
78			else
79			SHOWTABLES=false
80			fi
81
82			#fallback (SQL_OPTS not, they are optional )
83			if [ -z "${SQL_USER}" \
84			-o -z "${SQL_PASS}" \
85			-o -z "${SQL_HOST}" \
86			-o -z "${SQL_DB}" \
87			-o -z "${SQL_TABLE}" ]
88			then
89			echo
90			echo "Usage:"
91			echo -e " mysql_enum_columns user pass host db table [show]"
92			echo
93			return 1
94			fi
95
96			declare -i i=0
97			while read field type null key default extra
98			do
99			i=${i}+1
100			[ "${SHOWTABLES}" == true ] && echo "${field}"
101			done << EOF
102			$(mysql_command ${SQL_USER} ${SQL_PASS} ${SQL_HOST} ${SQL_DB} "show columns from ${SQL_TABLE};")
103			EOF
104			[ "${SHOWTABLES}" == true ] \|\| echo "${i}"
105			}