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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'
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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 "${!1}")"; }
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alias mk_schema_esc='declare schema_esc; mk_esc_name schema'
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alias mk_table_esc='declare table_esc; mk_esc_name table'
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fi # load new aliases
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if self_being_included; then
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log_sql () { test "$verbosity" -ge 2; }
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### MySQL
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# auto-adds connection/login opts when specified
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mysql_cmd () # usage: mysql* () { ...; mysql_cmd "$@"; }
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{
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	echo_func
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	local ssh_server="$(localize_url "$ssh_server")"
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	local server="$(localize_url "$server")"
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	if test -n "$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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	if test -n "$schema"; then local database="${database-$schema}"; fi
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	local var=ssh_dest; local_inv
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	extern ${ssh_dest:+ssh "$ssh_dest" }"${FUNCNAME[1]}" \
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${server:+ --host="$server" }${user:+--user="$user" } --password\
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${password+="$password"} ${database:+--databases "$database" --tables } "$@"
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}
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mysql () { echo_func; mysql_cmd --verbose "$@"; }
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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 "$@"
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}
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mysqldump () # usage: [schema=1 | data=1] mysqldump db [table...]
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{
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	echo_func
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	mysql_cmd --quick --lock-tables=false --set-charset \
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${postgres_compat:+--compatible=postgresql --add-locks=false }\
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${schema:+--no-data }${data:+--no-create-info }"$@"
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}
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mysqldump_diffable ()
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{
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	echo_func
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	mysqldump "$@"|sed 's/^(-- Dump completed).*$/\1/'
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}
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### PostgreSQL
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pg_copy_to ()
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{
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	echo_func
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	if test -z "$source"; then
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		: "${table:?}"; mk_table_esc
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		if test -z "$limit"; then local source="$table_esc"
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		else local source="(SELECT * FROM $table_esc LIMIT $limit)"
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		fi
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	fi
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	local pg_copy_format="${pg_copy_format-CSV HEADER}"
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	psql "$@" <<<"COPY $source TO STDOUT $pg_copy_format;"
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}
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pg_header ()
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{
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	echo_func
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	local pg_copy_format="CSV HEADER" limit=0
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	pg_copy_to "$@"|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_copy_to "$@"
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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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fi