annotate MySQL/Plugins/CreateInstance.sql @ 144:740d9829f52e

handling of errors if MySQL user cannot CREATE TRIGGER
author Sebastien Jodogne <s.jodogne@gmail.com>
date Thu, 12 Mar 2020 12:10:52 +0100
parents 441a472bfd93
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1 DROP PROCEDURE IF EXISTS CreateInstance;
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2
110
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3 CREATE PROCEDURE CreateInstance(
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4 IN patient TEXT,
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5 IN study TEXT,
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6 IN series TEXT,
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7 IN instance TEXT,
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8 OUT isNewPatient BOOLEAN,
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9 OUT isNewStudy BOOLEAN,
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10 OUT isNewSeries BOOLEAN,
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11 OUT isNewInstance BOOLEAN,
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12 OUT patientKey BIGINT,
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13 OUT studyKey BIGINT,
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14 OUT seriesKey BIGINT,
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15 OUT instanceKey BIGINT)
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16 BEGIN
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17 DECLARE recyclingSeq BIGINT@
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18
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19 SELECT internalId INTO instanceKey FROM Resources WHERE publicId = instance AND resourceType = 3@
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20
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21 IF NOT instanceKey IS NULL THEN
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22 -- This instance already exists, stop here
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23 SELECT 0 INTO isNewInstance@
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24 ELSE
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25 SELECT internalId INTO patientKey FROM Resources WHERE publicId = patient AND resourceType = 0@
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26 SELECT internalId INTO studyKey FROM Resources WHERE publicId = study AND resourceType = 1@
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27 SELECT internalId INTO seriesKey FROM Resources WHERE publicId = series AND resourceType = 2@
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28
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29 IF patientKey IS NULL THEN
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30 -- Must create a new patient
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31 IF NOT (studyKey IS NULL AND seriesKey IS NULL AND instanceKey IS NULL) THEN
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32 SIGNAL SQLSTATE '45000' SET MESSAGE_TEXT = 'Broken invariant 1'@
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33 END IF@
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34
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35 INSERT INTO Resources VALUES (DEFAULT, 0, patient, NULL)@
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36 SELECT LAST_INSERT_ID() INTO patientKey@
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37 SELECT 1 INTO isNewPatient@
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38 ELSE
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39 SELECT 0 INTO isNewPatient@
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40 END IF@
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41
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42 IF patientKey IS NULL THEN
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43 SIGNAL SQLSTATE '45000' SET MESSAGE_TEXT = 'Broken invariant 2'@
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44 END IF@
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45
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46 IF studyKey IS NULL THEN
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47 -- Must create a new study
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48 IF NOT (seriesKey IS NULL AND instanceKey IS NULL) THEN
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49 SIGNAL SQLSTATE '45000' SET MESSAGE_TEXT = 'Broken invariant 3'@
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50 END IF@
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51
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52 INSERT INTO Resources VALUES (DEFAULT, 1, study, patientKey)@
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53 SELECT LAST_INSERT_ID() INTO studyKey@
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54 SELECT 1 INTO isNewStudy@
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55 ELSE
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56 SELECT 0 INTO isNewStudy@
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57 END IF@
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58
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59 IF studyKey IS NULL THEN
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60 SIGNAL SQLSTATE '45000' SET MESSAGE_TEXT = 'Broken invariant 4'@
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61 END IF@
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62
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63 IF seriesKey IS NULL THEN
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64 -- Must create a new series
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65 IF NOT (instanceKey IS NULL) THEN
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66 SIGNAL SQLSTATE '45000' SET MESSAGE_TEXT = 'Broken invariant 5'@
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67 END IF@
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68
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69 INSERT INTO Resources VALUES (DEFAULT, 2, series, studyKey)@
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70 SELECT LAST_INSERT_ID() INTO seriesKey@
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71 SELECT 1 INTO isNewSeries@
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72 ELSE
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73 SELECT 0 INTO isNewSeries@
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74 END IF@
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75
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76 IF (seriesKey IS NULL OR NOT instanceKey IS NULL) THEN
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77 SIGNAL SQLSTATE '45000' SET MESSAGE_TEXT = 'Broken invariant 6'@
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78 END IF@
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79
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80 INSERT INTO Resources VALUES (DEFAULT, 3, instance, seriesKey)@
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81 SELECT LAST_INSERT_ID() INTO instanceKey@
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82 SELECT 1 INTO isNewInstance@
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83
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84 -- Move the patient to the end of the recycling order
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85 IF NOT isNewPatient THEN
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86 SELECT seq FROM PatientRecyclingOrder WHERE patientId = patientKey INTO recyclingSeq@
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87
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88 IF NOT recyclingSeq IS NULL THEN
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89 -- The patient is not protected
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90 DELETE FROM PatientRecyclingOrder WHERE seq = recyclingSeq@
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91 INSERT INTO PatientRecyclingOrder VALUES (DEFAULT, patientKey)@
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92 END IF@
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93 END IF@
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94 END IF@
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95 END;