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#!/bin/bash -e
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. "$(dirname "${BASH_SOURCE[0]}")"/util.sh
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if self_not_included; then
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# using prefixed connection vars
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alias use_local='declare prefix=local_; import_vars'
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alias use_remote='declare prefix=remote_; import_vars'
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alias use_local_remote='use_local; use_remote' # *must* be run inside a function
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quote='"'
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esc_name() { echo "$quote${1//$quote/$quote$quote}$quote"; }
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mk_esc_name() { set_var "$1"_esc "$(esc_name "${!1}")"; }
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alias mk_schema_esc='declare schema_esc; mk_esc_name schema'
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alias mk_table_esc='declare table_esc; mk_esc_name table'
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alias mk_select='mk_table_esc
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declare query="${query:-SELECT * FROM $table_esc}${limit:+ LIMIT $limit}"'
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fi # load new aliases
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if self_being_included; then
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log_sql() { test "$verbosity" -ge 2; }
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### MySQL
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alias set_database=\
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'if test "$schema"; then declare database="${database-$schema}"; fi'
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fi # load new aliases
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if self_being_included; then
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# auto-adds connection/login opts when specified
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# usage: mysql*() { ...; mysql_cmd "$@"; } (with alias)
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function mysql_cmd() # usage: mysql*() { ...; mysql_cmd cmd "$@"; }
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{
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echo_func
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local cmd="$1"; shift
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local ssh_server="$(localize_url "$ssh_server")"
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local server="$(localize_url "$server")"
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if test "$ssh_server"; then
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local ssh_dest="${ssh_dest-${ssh_user:+$ssh_user@}$ssh_server}"
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fi
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local var=ssh_dest; local_inv
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command ${ssh_dest:+ssh "$ssh_dest" }"$cmd" \
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${server:+ --host="$server" }${user:+--user="$user" } --password\
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${password+="$password"} "$@"
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}
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alias mysql_cmd='mysql_cmd "$FUNCNAME"'
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fi # load new aliases
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if self_being_included; then
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mysql() # usage: [output_data=1] mysql ...
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{
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echo_func
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set_database
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set -- ${database:+--database="$database" }"$@"
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if test "$output_data"; then echo_stdin|mysql_cmd "$@"
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else stdout2stderr=1 limit_stderr_cmd mysql_cmd --verbose "$@"
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fi
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}
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mysql_ANSI()
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{
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echo_func
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(echo "SET sql_mode = 'ANSI';"; cat)|mysql "$@"
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}
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mysql_export_outfile()
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{
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echo_func
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: "${file:?}"
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mk_select
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local mysql_load_data_format="${mysql_load_data_format-\
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FIELDS TERMINATED BY ','
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OPTIONALLY ENCLOSED BY '\"'
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}"
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local head="${query%%FROM*}" # includes trailing newline
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head="${head%
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}"
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local tail="${query#$head}"
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mysql_ANSI "$@" <<EOF
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$head
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INTO OUTFILE '$file'
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$mysql_load_data_format$tail
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EOF
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}
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mysqldump() # usage: [schema=1 | data=1] mysqldump db [table...]
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{
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echo_func
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mysql_cmd ${database:+--databases "$database" --tables } \
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--quick --lock-tables=false --set-charset \
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${postgres_compat:+--compatible=postgresql --add-locks=false }\
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${schema:+--no-data }${data:+--no-create-info }"$@"
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}
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mysqldump_diffable()
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{
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echo_func
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mysqldump "$@"|{ pipe_delay; sed 's/^(-- Dump completed).*$/\1/'; }
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}
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111
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112
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### PostgreSQL
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114
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pg_export()
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{
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echo_func
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mk_select
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local pg_copy_format="${pg_copy_format-CSV HEADER}"
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psql "$@" <<<"COPY ($query) TO STDOUT $pg_copy_format;"
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}
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pg_header()
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{
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echo_func
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local pg_copy_format="CSV HEADER" limit=0
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pg_export "$@"|echo_stdout
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}
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pg_export_table_no_header()
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{
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echo_func
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local pg_copy_format="CSV"
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pg_export "$@"
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}
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pg_export_table_to_dir_no_header()
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{
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echo_func
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local table="$1"; shift; mk_table_esc
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local cols="$(pg_header)"
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stdout="$exports_dir/$table.no_header.cols=$cols.csv" to_file \
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pg_export_table_no_header "$@"
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}
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146
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147
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fi
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