Mercurial > gemma
annotate schema/isrs.sql @ 1342:20b9c3f261db
Added comments how to create a new session for a given user and password.
author | Sascha L. Teichmann <sascha.teichmann@intevation.de> |
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date | Mon, 26 Nov 2018 11:01:11 +0100 |
parents | 2304778c4432 |
children | 40711ca3aa19 |
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1 -- This is Free Software under GNU Affero General Public License v >= 3.0 |
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2 -- without warranty, see README.md and license for details. |
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3 |
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4 -- SPDX-License-Identifier: AGPL-3.0-or-later |
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5 -- License-Filename: LICENSES/AGPL-3.0.txt |
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6 |
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7 -- Copyright (C) 2018 by via donau |
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8 -- – Österreichische Wasserstraßen-Gesellschaft mbH |
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9 -- Software engineering by Intevation GmbH |
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10 |
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11 -- Author(s): |
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12 -- * Tom Gottfried <tom@intevation.de> |
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13 |
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14 -- |
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15 -- Types and functions for ISRS location codes |
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16 -- |
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17 |
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18 BEGIN; |
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19 |
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20 -- |
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21 -- Types |
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22 -- |
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23 |
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24 -- Composite type: UN/LOCODE, fairway section, object reference, hectometre. |
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25 -- See RIS-Index Encoding Guide |
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26 CREATE TYPE isrs AS ( |
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27 country_code char(2), -- ISO 3166 country code |
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28 -- could be validated against countries table. |
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29 locode char(3), -- without the country code: |
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30 -- http://www.unece.org/cefact/locode/welcome.html |
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31 fairway_section char(5), |
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32 orc char(5), -- Object Reference Code |
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33 hectometre int -- should be constrained to five digits |
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34 ); |
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35 |
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36 CREATE TYPE isrsrange AS RANGE ( |
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37 subtype = isrs |
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38 ); |
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39 |
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40 -- |
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41 -- Functions |
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42 -- |
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43 |
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44 CREATE OR REPLACE FUNCTION isrs_fromText( |
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45 isrs_text varchar |
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46 ) |
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47 RETURNS isrs |
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48 AS $$ |
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49 DECLARE |
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50 isrs_len CONSTANT int = 20; |
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51 BEGIN |
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52 IF char_length(isrs_text) <> isrs_len |
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53 THEN |
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54 RAISE 'ISRS location code must be % characters long', isrs_len |
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55 USING ERRCODE = 'invalid_parameter_value', |
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56 DETAIL = 'Failing value: ' || isrs_text; |
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57 ELSE |
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58 RETURN CAST(( |
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59 substring(isrs_text from 1 for 2), |
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60 substring(isrs_text from 3 for 3), |
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61 substring(isrs_text from 6 for 5), |
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62 substring(isrs_text from 11 for 5), |
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63 CAST(substring(isrs_text from 16 for 5) AS int)) |
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64 AS isrs); |
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65 END IF; |
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66 END; |
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67 $$ |
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68 LANGUAGE plpgsql; |
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69 |
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70 COMMIT; |