68 lines
1.3 KiB
Bash
68 lines
1.3 KiB
Bash
#!/bin/bash
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Update() {
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#Update table set_key set_value [set_key set_value […]] < where_key where_operator where_value
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# [where_key where_operator where_value
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# […]]
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local \
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table="$1" \
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key \
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argument \
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operator \
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value \
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set_statement \
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where_keys \
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where_values \
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what \
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where_statement \
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results
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shift
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what=key
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for argument
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do
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case $what in
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key)
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set_statement="${set_statement:+${set_statement},}\`$argument\`"
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what=value
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;;
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value)
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case $argument in
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'::AtOM:FT::'*)
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argument="${argument//::AtOM:FT::/}"
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set_statement+=" = "'"'"${argument//\"/\"\"}"'"'
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;;
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'NULL')
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set_statement+=" = NULL"
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;;
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+([0-9])?(.+([0-9])))
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set_statement+=" = $argument"
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;;
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*)
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set_statement+=" = "'"'"${argument//\"/\"\"}"'"'
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;;
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esac
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what=key
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;;
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esac
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done
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while read key operator value
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do
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(( ${#where_statement} )) && where_statement+=( "AND" )
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case $value in
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'NULL')
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where_statement+=( "$key is NULL" )
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;;
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+([0-9.]))
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where_statement+=( "$key $operator $value" )
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;;
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*)
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where_statement+=( "$key $operator "'"'"${value//\"/\"\"}"'"' )
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;;
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esac
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done
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echo "UPDATE '$table' SET" \
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"$set_statement" \
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"WHERE" \
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"${where_statement[@]}" \
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";" >&3
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}
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