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1 BEGIN;
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2
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3 CREATE OR REPLACE VIEW "liquid_feedback_version" AS
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4 SELECT * FROM (VALUES ('2.0.9', 2, 0, 9))
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5 AS "subquery"("string", "major", "minor", "revision");
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6
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jbe@244
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7 COMMENT ON TYPE "delegation_chain_row" IS 'Type of rows returned by "delegation_chain" function';
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8
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9 CREATE FUNCTION "delegation_chain_for_closed_issue"
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10 ( "member_id_p" "member"."id"%TYPE,
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11 "issue_id_p" "issue"."id"%TYPE )
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12 RETURNS SETOF "delegation_chain_row"
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13 LANGUAGE 'plpgsql' STABLE AS $$
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14 DECLARE
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15 "output_row" "delegation_chain_row";
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16 "direct_voter_row" "direct_voter"%ROWTYPE;
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17 "delegating_voter_row" "delegating_voter"%ROWTYPE;
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18 BEGIN
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19 "output_row"."index" := 0;
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20 "output_row"."member_id" := "member_id_p";
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21 "output_row"."member_valid" := TRUE;
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22 "output_row"."participation" := FALSE;
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23 "output_row"."overridden" := FALSE;
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24 "output_row"."disabled_out" := FALSE;
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25 LOOP
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26 SELECT INTO "direct_voter_row" * FROM "direct_voter"
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27 WHERE "issue_id" = "issue_id_p"
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28 AND "member_id" = "output_row"."member_id";
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29 IF "direct_voter_row"."member_id" NOTNULL THEN
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30 "output_row"."participation" := TRUE;
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31 "output_row"."scope_out" := NULL;
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32 "output_row"."disabled_out" := NULL;
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33 RETURN NEXT "output_row";
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34 RETURN;
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35 END IF;
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36 SELECT INTO "delegating_voter_row" * FROM "delegating_voter"
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37 WHERE "issue_id" = "issue_id_p"
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38 AND "member_id" = "output_row"."member_id";
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39 IF "delegating_voter_row"."member_id" ISNULL THEN
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40 RETURN;
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41 END IF;
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42 "output_row"."scope_out" := "delegating_voter_row"."scope";
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43 RETURN NEXT "output_row";
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44 "output_row"."member_id" := "delegating_voter_row"."delegate_member_ids"[1];
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45 "output_row"."scope_in" := "output_row"."scope_out";
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46 END LOOP;
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47 END;
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48 $$;
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49
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50 COMMENT ON FUNCTION "delegation_chain_for_closed_issue"
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51 ( "member"."id"%TYPE,
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52 "member"."id"%TYPE )
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53 IS 'Helper function for "delegation_chain" function, handling the special case of closed issues after voting';
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54
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55 DROP FUNCTION "delegation_chain"
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56 ( "member"."id"%TYPE,
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57 "unit"."id"%TYPE,
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58 "area"."id"%TYPE,
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59 "issue"."id"%TYPE );
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60
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61 DROP FUNCTION "delegation_chain"
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62 ( "member"."id"%TYPE,
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63 "unit"."id"%TYPE,
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64 "area"."id"%TYPE,
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65 "issue"."id"%TYPE,
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66 "member"."id"%TYPE );
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67
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68 CREATE FUNCTION "delegation_chain"
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69 ( "member_id_p" "member"."id"%TYPE,
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70 "unit_id_p" "unit"."id"%TYPE,
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71 "area_id_p" "area"."id"%TYPE,
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72 "issue_id_p" "issue"."id"%TYPE,
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73 "simulate_trustee_id_p" "member"."id"%TYPE DEFAULT NULL )
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74 RETURNS SETOF "delegation_chain_row"
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75 LANGUAGE 'plpgsql' STABLE AS $$
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76 DECLARE
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77 "scope_v" "delegation_scope";
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78 "unit_id_v" "unit"."id"%TYPE;
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79 "area_id_v" "area"."id"%TYPE;
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80 "issue_row" "issue"%ROWTYPE;
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81 "visited_member_ids" INT4[]; -- "member"."id"%TYPE[]
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82 "loop_member_id_v" "member"."id"%TYPE;
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83 "output_row" "delegation_chain_row";
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84 "output_rows" "delegation_chain_row"[];
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85 "delegation_row" "delegation"%ROWTYPE;
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86 "row_count" INT4;
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87 "i" INT4;
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88 "loop_v" BOOLEAN;
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89 BEGIN
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90 IF
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91 "unit_id_p" NOTNULL AND
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92 "area_id_p" ISNULL AND
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93 "issue_id_p" ISNULL
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94 THEN
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95 "scope_v" := 'unit';
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96 "unit_id_v" := "unit_id_p";
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97 ELSIF
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98 "unit_id_p" ISNULL AND
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99 "area_id_p" NOTNULL AND
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100 "issue_id_p" ISNULL
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101 THEN
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102 "scope_v" := 'area';
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103 "area_id_v" := "area_id_p";
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104 SELECT "unit_id" INTO "unit_id_v"
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105 FROM "area" WHERE "id" = "area_id_v";
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106 ELSIF
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107 "unit_id_p" ISNULL AND
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108 "area_id_p" ISNULL AND
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109 "issue_id_p" NOTNULL
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110 THEN
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111 SELECT INTO "issue_row" * FROM "issue" WHERE "id" = "issue_id_p";
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112 IF "issue_row"."id" ISNULL THEN
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113 RETURN;
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114 END IF;
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115 IF "issue_row"."closed" NOTNULL THEN
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116 IF "simulate_trustee_id_p" NOTNULL THEN
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117 RAISE EXCEPTION 'Tried to simulate delegation chain for closed issue.';
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118 END IF;
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119 FOR "output_row" IN
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120 SELECT * FROM
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121 "delegation_chain_for_closed_issue"("member_id_p", "issue_id_p")
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122 LOOP
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123 RETURN NEXT "output_row";
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124 END LOOP;
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125 RETURN;
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126 END IF;
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127 "scope_v" := 'issue';
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128 SELECT "area_id" INTO "area_id_v"
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129 FROM "issue" WHERE "id" = "issue_id_p";
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130 SELECT "unit_id" INTO "unit_id_v"
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131 FROM "area" WHERE "id" = "area_id_v";
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132 ELSE
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133 RAISE EXCEPTION 'Exactly one of unit_id_p, area_id_p, or issue_id_p must be NOTNULL.';
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134 END IF;
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135 "visited_member_ids" := '{}';
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136 "loop_member_id_v" := NULL;
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137 "output_rows" := '{}';
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138 "output_row"."index" := 0;
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139 "output_row"."member_id" := "member_id_p";
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140 "output_row"."member_valid" := TRUE;
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141 "output_row"."participation" := FALSE;
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142 "output_row"."overridden" := FALSE;
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143 "output_row"."disabled_out" := FALSE;
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144 "output_row"."scope_out" := NULL;
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145 LOOP
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146 IF "visited_member_ids" @> ARRAY["output_row"."member_id"] THEN
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147 "loop_member_id_v" := "output_row"."member_id";
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148 ELSE
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149 "visited_member_ids" :=
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150 "visited_member_ids" || "output_row"."member_id";
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151 END IF;
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152 IF "output_row"."participation" ISNULL THEN
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153 "output_row"."overridden" := NULL;
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154 ELSIF "output_row"."participation" THEN
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155 "output_row"."overridden" := TRUE;
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156 END IF;
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157 "output_row"."scope_in" := "output_row"."scope_out";
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158 IF EXISTS (
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159 SELECT NULL FROM "member" JOIN "privilege"
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160 ON "privilege"."member_id" = "member"."id"
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161 AND "privilege"."unit_id" = "unit_id_v"
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162 WHERE "id" = "output_row"."member_id"
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163 AND "member"."active" AND "privilege"."voting_right"
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164 ) THEN
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165 IF "scope_v" = 'unit' THEN
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166 SELECT * INTO "delegation_row" FROM "delegation"
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167 WHERE "truster_id" = "output_row"."member_id"
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168 AND "unit_id" = "unit_id_v";
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169 ELSIF "scope_v" = 'area' THEN
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170 "output_row"."participation" := EXISTS (
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171 SELECT NULL FROM "membership"
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172 WHERE "area_id" = "area_id_p"
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173 AND "member_id" = "output_row"."member_id"
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174 );
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175 SELECT * INTO "delegation_row" FROM "delegation"
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176 WHERE "truster_id" = "output_row"."member_id"
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177 AND (
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178 "unit_id" = "unit_id_v" OR
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179 "area_id" = "area_id_v"
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180 )
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181 ORDER BY "scope" DESC;
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182 ELSIF "scope_v" = 'issue' THEN
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183 IF "issue_row"."fully_frozen" ISNULL THEN
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184 "output_row"."participation" := EXISTS (
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185 SELECT NULL FROM "interest"
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186 WHERE "issue_id" = "issue_id_p"
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187 AND "member_id" = "output_row"."member_id"
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188 );
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189 ELSE
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190 IF "output_row"."member_id" = "member_id_p" THEN
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191 "output_row"."participation" := EXISTS (
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192 SELECT NULL FROM "direct_voter"
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193 WHERE "issue_id" = "issue_id_p"
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194 AND "member_id" = "output_row"."member_id"
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195 );
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196 ELSE
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197 "output_row"."participation" := NULL;
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198 END IF;
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199 END IF;
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jbe@244
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200 SELECT * INTO "delegation_row" FROM "delegation"
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201 WHERE "truster_id" = "output_row"."member_id"
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202 AND (
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203 "unit_id" = "unit_id_v" OR
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204 "area_id" = "area_id_v" OR
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205 "issue_id" = "issue_id_p"
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206 )
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207 ORDER BY "scope" DESC;
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jbe@244
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208 END IF;
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209 ELSE
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210 "output_row"."member_valid" := FALSE;
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211 "output_row"."participation" := FALSE;
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212 "output_row"."scope_out" := NULL;
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213 "delegation_row" := ROW(NULL);
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214 END IF;
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jbe@244
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215 IF
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216 "output_row"."member_id" = "member_id_p" AND
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217 "simulate_trustee_id_p" NOTNULL
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218 THEN
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219 "output_row"."scope_out" := "scope_v";
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220 "output_rows" := "output_rows" || "output_row";
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221 "output_row"."member_id" := "simulate_trustee_id_p";
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222 ELSIF "delegation_row"."trustee_id" NOTNULL THEN
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223 "output_row"."scope_out" := "delegation_row"."scope";
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224 "output_rows" := "output_rows" || "output_row";
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225 "output_row"."member_id" := "delegation_row"."trustee_id";
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jbe@244
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226 ELSIF "delegation_row"."scope" NOTNULL THEN
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227 "output_row"."scope_out" := "delegation_row"."scope";
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228 "output_row"."disabled_out" := TRUE;
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229 "output_rows" := "output_rows" || "output_row";
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230 EXIT;
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231 ELSE
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232 "output_row"."scope_out" := NULL;
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233 "output_rows" := "output_rows" || "output_row";
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234 EXIT;
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235 END IF;
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jbe@244
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236 EXIT WHEN "loop_member_id_v" NOTNULL;
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237 "output_row"."index" := "output_row"."index" + 1;
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238 END LOOP;
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239 "row_count" := array_upper("output_rows", 1);
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240 "i" := 1;
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jbe@244
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241 "loop_v" := FALSE;
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jbe@244
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242 LOOP
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jbe@244
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243 "output_row" := "output_rows"["i"];
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jbe@244
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244 EXIT WHEN "output_row" ISNULL; -- NOTE: ISNULL and NOT ... NOTNULL produce different results!
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jbe@244
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245 IF "loop_v" THEN
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jbe@244
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246 IF "i" + 1 = "row_count" THEN
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247 "output_row"."loop" := 'last';
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248 ELSIF "i" = "row_count" THEN
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249 "output_row"."loop" := 'repetition';
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250 ELSE
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251 "output_row"."loop" := 'intermediate';
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252 END IF;
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jbe@244
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253 ELSIF "output_row"."member_id" = "loop_member_id_v" THEN
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254 "output_row"."loop" := 'first';
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255 "loop_v" := TRUE;
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256 END IF;
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257 IF "scope_v" = 'unit' THEN
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258 "output_row"."participation" := NULL;
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259 END IF;
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260 RETURN NEXT "output_row";
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261 "i" := "i" + 1;
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262 END LOOP;
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263 RETURN;
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264 END;
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jbe@244
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265 $$;
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jbe@244
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266
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jbe@244
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267 COMMENT ON FUNCTION "delegation_chain"
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jbe@244
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268 ( "member"."id"%TYPE,
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jbe@244
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269 "unit"."id"%TYPE,
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jbe@244
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270 "area"."id"%TYPE,
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jbe@244
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271 "issue"."id"%TYPE,
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jbe@244
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272 "member"."id"%TYPE )
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273 IS 'Shows a delegation chain for unit, area, or issue; See "delegation_chain_row" type for more information';
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274
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jbe@244
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275 CREATE TYPE "delegation_info_loop_type" AS ENUM
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276 ('own', 'first', 'first_ellipsis', 'other', 'other_ellipsis');
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277
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278 COMMENT ON TYPE "delegation_info_loop_type" IS 'Type of "delegation_loop" in "delegation_info_type"; ''own'' means loop to self, ''first'' means loop to first trustee, ''first_ellipsis'' means loop to ellipsis after first trustee, ''other'' means loop to other trustee, ''other_ellipsis'' means loop to ellipsis after other trustee''';
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279
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280 CREATE TYPE "delegation_info_type" AS (
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281 "own_participation" BOOLEAN,
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jbe@244
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282 "own_delegation_scope" "delegation_scope",
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jbe@244
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283 "first_trustee_id" INT4,
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jbe@244
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284 "first_trustee_participation" BOOLEAN,
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jbe@244
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285 "first_trustee_ellipsis" BOOLEAN,
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jbe@244
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286 "other_trustee_id" INT4,
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jbe@244
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287 "other_trustee_participation" BOOLEAN,
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jbe@244
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288 "other_trustee_ellipsis" BOOLEAN,
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jbe@244
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289 "delegation_loop" "delegation_info_loop_type");
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290
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291 COMMENT ON TYPE "delegation_info_type" IS 'Type of result returned by "delegation_info" function; For meaning of "participation" check comment on "delegation_chain_row" type';
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292
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293 COMMENT ON COLUMN "delegation_info_type"."own_participation" IS 'Member is directly participating';
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jbe@244
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294 COMMENT ON COLUMN "delegation_info_type"."own_delegation_scope" IS 'Delegation scope of member';
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jbe@244
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295 COMMENT ON COLUMN "delegation_info_type"."first_trustee_id" IS 'Direct trustee of member';
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jbe@244
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296 COMMENT ON COLUMN "delegation_info_type"."first_trustee_participation" IS 'Direct trustee of member is participating';
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jbe@244
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297 COMMENT ON COLUMN "delegation_info_type"."first_trustee_ellipsis" IS 'Ellipsis in delegation chain after "first_trustee"';
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298 COMMENT ON COLUMN "delegation_info_type"."other_trustee_id" IS 'Another relevant trustee (due to participation)';
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299 COMMENT ON COLUMN "delegation_info_type"."other_trustee_participation" IS 'Another trustee is participating (redundant field: if "other_trustee_id" is set, then "other_trustee_participation" is always TRUE, else "other_trustee_participation" is NULL)';
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300 COMMENT ON COLUMN "delegation_info_type"."other_trustee_ellipsis" IS 'Ellipsis in delegation chain after "other_trustee"';
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jbe@244
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301 COMMENT ON COLUMN "delegation_info_type"."delegation_loop" IS 'Non-NULL value, if delegation chain contains a circle; See comment on "delegation_info_loop_type" for details';
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jbe@244
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302
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jbe@244
|
303 CREATE FUNCTION "delegation_info"
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jbe@244
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304 ( "member_id_p" "member"."id"%TYPE,
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305 "unit_id_p" "unit"."id"%TYPE,
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306 "area_id_p" "area"."id"%TYPE,
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307 "issue_id_p" "issue"."id"%TYPE,
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308 "simulate_trustee_id_p" "member"."id"%TYPE DEFAULT NULL )
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309 RETURNS "delegation_info_type"
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310 LANGUAGE 'plpgsql' STABLE AS $$
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311 DECLARE
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312 "current_row" "delegation_chain_row";
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313 "result" "delegation_info_type";
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314 BEGIN
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315 "result"."own_participation" := FALSE;
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316 FOR "current_row" IN
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317 SELECT * FROM "delegation_chain"(
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318 "member_id_p",
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319 "unit_id_p", "area_id_p", "issue_id_p",
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320 "simulate_trustee_id_p")
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321 LOOP
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322 IF "current_row"."member_id" = "member_id_p" THEN
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323 "result"."own_participation" := "current_row"."participation";
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324 "result"."own_delegation_scope" := "current_row"."scope_out";
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325 IF "current_row"."loop" = 'first' THEN
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326 "result"."delegation_loop" := 'own';
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327 END IF;
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328 ELSIF
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329 "current_row"."member_valid" AND
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330 ( "current_row"."loop" ISNULL OR
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331 "current_row"."loop" != 'repetition' )
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332 THEN
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333 IF "result"."first_trustee_id" ISNULL THEN
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334 "result"."first_trustee_id" := "current_row"."member_id";
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335 "result"."first_trustee_participation" := "current_row"."participation";
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336 "result"."first_trustee_ellipsis" := FALSE;
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337 IF "current_row"."loop" = 'first' THEN
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338 "result"."delegation_loop" := 'first';
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339 END IF;
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340 ELSIF "result"."other_trustee_id" ISNULL THEN
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341 IF "current_row"."participation" AND NOT "current_row"."overridden" THEN
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342 "result"."other_trustee_id" := "current_row"."member_id";
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343 "result"."other_trustee_participation" := TRUE;
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344 "result"."other_trustee_ellipsis" := FALSE;
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345 IF "current_row"."loop" = 'first' THEN
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346 "result"."delegation_loop" := 'other';
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347 END IF;
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348 ELSE
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349 "result"."first_trustee_ellipsis" := TRUE;
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350 IF "current_row"."loop" = 'first' THEN
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351 "result"."delegation_loop" := 'first_ellipsis';
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352 END IF;
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353 END IF;
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354 ELSE
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355 "result"."other_trustee_ellipsis" := TRUE;
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356 IF "current_row"."loop" = 'first' THEN
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357 "result"."delegation_loop" := 'other_ellipsis';
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358 END IF;
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359 END IF;
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360 END IF;
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361 END LOOP;
|
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362 RETURN "result";
|
jbe@244
|
363 END;
|
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|
364 $$;
|
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365
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jbe@244
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366 COMMENT ON FUNCTION "delegation_info"
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jbe@244
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367 ( "member"."id"%TYPE,
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jbe@244
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368 "unit"."id"%TYPE,
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jbe@244
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369 "area"."id"%TYPE,
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jbe@244
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370 "issue"."id"%TYPE,
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371 "member"."id"%TYPE )
|
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372 IS 'Notable information about a delegation chain for unit, area, or issue; See "delegation_info_type" for more information';
|
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373
|
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374 COMMIT;
|