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1
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2 Setup the database:
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3 $ createdb liquid_feedback
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4 $ psql -v ON_ERROR_STOP=1 -f core.sql liquid_feedback
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5
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6 Optionally insert demo data:
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7 $ psql -v ON_ERROR_STOP=1 -f demo.sql liquid_feedback
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8
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9 Compile lf_update binary:
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10 $ make
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11
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12 Ensure that "lf_update dbname=liquid_feedback",
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13 "lf_update_issue_order dbname=liquid_feedback", and
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14 "lf_update_suggestion_order dbname=liquid_feedback" are called
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15 regularly! It is required to run these commands regularly
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16 (i.e. every 5 minutes via cron) to update cached supporter counts,
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17 to change the state of issues when neccessary, to calculate the
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18 result of votings, etc. If you wish, copy the created lf_update
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19 and lf_update_suggestion_order files to /usr/local/bin or a
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20 similar directory.
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21
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22 It is possible to run these two commands in parallel, if a setup
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23 requires splitting the load to multiple processor cores. In other
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24 cases it is recommended to run "lf_update" first, and then
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25 "lf_update_issue_order" and "lf_update_suggestion_order".
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26
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27 On successful run, these commands will not produce any output
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28 and exit with code 0. The commands "lf_update_issue_order" and
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29 "lf_update_suggestion_order" may be called with a first argument
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30 of "-v" to print log output.
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31
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32 NOTE: When writing to the database, some INSERTs must be executed
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33 within the same transaction, e.g. issues can't exist without
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34 an initiative and vice versa.
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35
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36 To create an export file, which is containing all but private data,
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37 you may use the lf_export shell-script:
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38 $ lf_export liquid_feedback export.sql.gz
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39
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40 Refer to source code of function "delete_private_data"() to see,
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41 which data gets deleted. If you need a different behaviour, please
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42 copy the function and modify the lf_export shell script accordingly.
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43
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44 To uninstall the software, delete the lf_update binary
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45 and drop the database by entering the following command:
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46 $ dropdb liquid_feedback
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47
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48 Updating is done using the update scripts in the update/ directory.
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49 Do not forget to make backups, before installing any updates.
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50 After updating it is recommended to recreate the schema as follows
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51 (assuming the database superuser is named "postgres"):
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52 $ pg_dump --disable-triggers --data-only DATABASE_NAME > tmp.sql
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53 $ dropdb DATABASE_NAME
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54 $ createdb DATABASE_NAME
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55 $ psql -v ON_ERROR_STOP=1 -f core.sql DATABASE_NAME
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56 $ su postgres # (execute following command as database superuser)
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57 $ psql -v ON_ERROR_STOP=1 -f tmp.sql DATABASE_NAME
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58 $ exit # leave "su" command
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59 $ rm tmp.sql
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60
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