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1
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#!/bin/bash -e
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2
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. "$(dirname "${BASH_SOURCE[0]}")"/util.sh
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3
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. "$(dirname "${BASH_SOURCE[0]}")"/binsearch.sh
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4
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5
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if self_not_included; then
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6
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7
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8
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### is_pkey_imported()
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9
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10
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is_pkey_imported__int() # usage: pkey_name=... pkey=# is_pkey_imported__int
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{
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echo_func; kw_params pkey_name pkey; : "${pkey_name?}" "${pkey?}"
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test "$pkey" || { log++ echo_run echo 0; return; }
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14
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15
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mk_table_esc
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16
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use_local_remote
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data_only=1 mysql_ANSI \
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<<<"SELECT COUNT(*) FROM $table_esc WHERE $pkey_name = $pkey"|echo_stdout
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}
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20
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func_override is_pkey_imported__int__no_cache
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is_pkey_imported__int() # caches the last result for efficiency
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23
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{
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local cache_key="$(declare -p pkey_name pkey) $*"; load_cache
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if ! cached; then save_cache "$(${FUNCNAME}__no_cache "$@")" || return; fi
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echo_cached_value
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}
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28
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is_pkey_imported()
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{ echo_func; local int; int="$(is_pkey_imported__int)"; int2bool "$int"; }
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31
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32
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33
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get_pkey_at_pos() # usage: i=# get_pkey_at_pos
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34
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{
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35
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echo_func; log++; kw_params i; : "${i?}"; mk_table_esc
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36
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piped_cmd echo_run tail -c +"$i" "$top_file"\
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37
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|echo_run sed -n '/^INSERT INTO '"$table_esc"' VALUES \(([0-9]+),.*$/{
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38
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s//\1/p
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q # stop after first match
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40
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}'
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}
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42
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is_pkey_at_pos_imported()
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{ echo_func; local pkey; pkey="$(get_pkey_at_pos)"; is_pkey_imported; }
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45
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46
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import_resume_pos() # usage: [min=#] [max=#] import_resume_pos
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47
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{
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48
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echo_func; kw_params min max; local min="${min-0}"
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49
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if ! isset max; then local max; max="$(file_size "$top_file")"; fi
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50
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binsearch is_pkey_at_pos_imported
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}
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52
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53
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resume_import() # usage: [pos=#] resume_import
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54
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{
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55
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echo_func; kw_params pos
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56
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if ! isset pos; then local pos; pos="$(import_resume_pos)"; fi
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57
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58
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use_local_remote
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59
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echo_run tail -c +"$pos" "$top_file"|mysql
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60
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}
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61
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62
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fi
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