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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" is called regularly!
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13
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14 It is required that lf_update is executed regulary (i.e. every
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15 5 minutes via cron) to update cached supporter counts, to change
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16 the state of issues when neccessary, and to calculate the result
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17 of votings. If you wish, copy the created lf_update file to
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18 /usr/local/bin or a similar directory.
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19
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20 On successful run, lf_update will not produce any output
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21 and exit with code 0.
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22
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23 NOTE: When writing to the database, some INSERTs must be executed
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24 within the same transaction, e.g. issues can't exist without
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25 an initiative and vice versa.
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26
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27 To create an export file, which is containing all but private data,
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28 you may use the lf_export shell-script:
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29 $ lf_export liquid_feedback export.sql.gz
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30
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31 Refer to source code of function "delete_private_data"() to see,
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32 which data gets deleted. If you need a different behaviour, please
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33 copy the function and modify the lf_export shell script accordingly.
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34
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35 To uninstall the software, delete the lf_update binary
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36 and drop the database by entering the following command:
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37 $ dropdb liquid_feedback
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38
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39 Updating is done using the update scripts in the update/ directory.
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40 After updating it is recommended to recreate the schema as follows
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41 (assuming the database superuser is named "postgres"):
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42 $ pg_dump --disable-triggers --data-only DATABASE_NAME > tmp.sql
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43 $ dropdb DATABASE_NAME
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44 $ createdb DATABASE_NAME
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45 $ psql -v ON_ERROR_STOP=1 -f core.sql DATABASE_NAME
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46 $ su postgres # (execute following command as database superuser)
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47 $ psql -v ON_ERROR_STOP=1 -f tmp.sql DATABASE_NAME
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48 $ exit # leave "su" command
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49 $ rm tmp.sql
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50
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