Mercurial > gemma
annotate pkg/imports/bn.go @ 1569:cf0ca4a9812a
Bottleneck import: Implemented backend to store bottlenecks in database.
author | Raimund Renkert <raimund.renkert@intevation.de> |
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date | Wed, 12 Dec 2018 15:48:33 +0100 |
parents | 8fc1a2298acb |
children | 056a86b24be2 |
rev | line source |
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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 // * Sascha L. Teichmann <sascha.teichmann@intevation.de> |
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13 |
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14 package imports |
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15 |
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16 import ( |
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17 "context" |
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18 "database/sql" |
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19 "errors" |
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20 "regexp" |
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21 "strconv" |
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22 "time" |
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23 |
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24 "gemma.intevation.de/gemma/pkg/common" |
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25 "gemma.intevation.de/gemma/pkg/soap/ifbn" |
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26 ) |
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27 |
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28 type Bottleneck struct { |
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29 URL string `json:"url"` |
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30 Insecure bool `json:"insecure"` |
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31 } |
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32 |
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33 const BNJobKind JobKind = "bn" |
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34 |
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35 const insertSQL = `INSERT INTO waterway.bottlenecks ( |
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36 bottleneck_id, |
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37 fk_g_fid, |
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38 objnam, |
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39 nobjnm, |
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40 stretch, |
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41 area, |
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42 rb, |
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43 lb, |
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44 responsible_country, |
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45 revisiting_time, |
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46 limiting, |
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47 date_info, |
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48 source_organization |
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49 ) VALUES( |
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50 $1, |
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51 isrs_fromText($2), |
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52 $3, |
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53 $4, |
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54 isrsrange(isrs_fromText($5), isrs_fromText($6)), |
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55 ST_MakePolygon(ST_ExteriorRing(ST_Buffer(ST_SetSRID(ST_Makepoint(13.05501, 47.80949), 4326), 0.01)))::Geography, |
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56 $7, |
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57 $8, |
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58 $9, |
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59 $10, |
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60 $11, |
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61 $12, |
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62 $13 |
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63 ) ON CONFLICT (bottleneck_id) DO NOTHING` |
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64 |
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65 type bnJobCreator struct{} |
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66 |
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67 func init() { |
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68 RegisterJobCreator(BNJobKind, bnJobCreator{}) |
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69 } |
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70 |
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71 func (bnJobCreator) Create(_ JobKind, data string) (Job, error) { |
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72 bn := new(Bottleneck) |
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73 if err := common.FromJSONString(data, bn); err != nil { |
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74 return nil, err |
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75 } |
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76 return bn, nil |
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77 } |
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78 |
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79 func (bnJobCreator) Depends() []string { |
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80 return []string{ |
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81 "waterway.gauges", |
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82 "waterway.bottlenecks", |
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83 } |
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84 } |
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85 |
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86 const ( |
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87 // TODO: waterway.bottlenecks needs an integer id column. |
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88 bnStageDoneSQL = ` |
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89 UPDATE waterway.bottlenecks SET staging_done = true |
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90 WHERE id IN ( |
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91 SELECT key from waterway.track_imports |
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92 WHERE import_id = $1 AND |
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93 relation = 'waterway.bottlenecks'::regclass)` |
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94 ) |
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95 |
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96 // StageDone moves the imported bottleneck out of the staging area. |
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97 func (bnJobCreator) StageDone( |
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98 ctx context.Context, |
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99 tx *sql.Tx, |
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100 id int64, |
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101 ) error { |
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102 _, err := tx.ExecContext(ctx, srStageDoneSQL, id) |
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103 return err |
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104 } |
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105 |
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106 // CleanUp of a bottleneck import is a NOP. |
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107 func (bn *Bottleneck) CleanUp() error { return nil } |
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108 |
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109 var rblbRe = regexp.MustCompile(`(..)_(..)`) |
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110 |
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111 func splitRBLB(s string) (string, string) { |
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112 m := rblbRe.FindStringSubmatch(s) |
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113 if len(m) == 0 { |
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114 return "", "" |
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115 } |
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116 return m[1], m[2] |
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117 } |
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118 |
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119 func revisitingTime(s string) int { |
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120 v, err := strconv.Atoi(s) |
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121 if err != nil { |
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122 v = 0 |
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123 } |
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124 return v |
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125 } |
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126 |
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127 // Do executes the actual bottleneck import. |
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128 func (bn *Bottleneck) Do( |
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129 ctx context.Context, |
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130 importID int64, |
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131 conn *sql.Conn, |
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132 feedback Feedback, |
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133 ) (interface{}, error) { |
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134 client := ifbn.NewIBottleneckService(bn.URL, bn.Insecure, nil) |
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135 |
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136 req := &ifbn.Export_bn_by_isrs{} |
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137 |
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138 resp, err := client.Export_bn_by_isrs(req) |
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139 if err != nil { |
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140 feedback.Error("%v", err) |
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141 return nil, err |
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142 } |
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143 |
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144 if resp.Export_bn_by_isrsResult == nil { |
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145 err := errors.New("no Bottlenecks found") |
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146 feedback.Error("%v", err) |
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147 return nil, err |
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148 } |
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149 |
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150 bns := resp.Export_bn_by_isrsResult.BottleNeckType |
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151 feedback.Info("Found %d bottlenecks for import", len(bns)) |
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152 |
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153 tx, err := conn.BeginTx(ctx, nil) |
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154 if err != nil { |
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155 return nil, err |
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156 } |
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157 defer tx.Rollback() |
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158 |
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159 start := time.Now() |
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160 for i := range bns { |
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161 bn := bns[i] |
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162 rb, lb := splitRBLB(bn.Rb_lb) |
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163 |
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164 var limiting, country string |
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165 |
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166 if bn.Limiting_factor != nil { |
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167 limiting = string(*bn.Limiting_factor) |
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168 } |
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169 |
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170 if bn.Responsible_country != nil { |
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171 country = string(*bn.Responsible_country) |
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172 } |
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173 |
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174 tx.Exec(insertSQL, |
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175 bn.Bottleneck_id, |
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176 bn.Fk_g_fid, |
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177 bn.OBJNAM, |
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178 bn.NOBJNM, |
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179 bn.From_ISRS, bn.To_ISRS, |
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180 rb, |
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181 lb, |
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182 country, |
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183 revisitingTime(bn.Revisiting_time), |
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184 limiting, |
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185 bn.Date_Info, |
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186 bn.Source, |
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187 ) |
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188 feedback.Info("Insert \"%s\" into database", bn.OBJNAM) |
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189 //TODO: Track for potential later removal? Bottlenecks have an string PK, track wants int64. |
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190 // if err = track(ctx, tx, importID, "waterway.bottlenecks", bn.Bottleneck_id); err != nil { |
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191 // return nil, err |
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192 // } |
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193 } |
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194 |
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195 feedback.Info("Storing %d bottlenecks took %s", len(bns), time.Since(start)) |
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196 if err = tx.Commit(); err == nil { |
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197 feedback.Info("Import of bottlenecks was successful") |
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198 } |
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199 |
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200 // TODO: needs to be filled. |
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201 summary := struct { |
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202 BottleneckCount int `json:"bottleneckCount"` |
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203 }{ |
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204 BottleneckCount: len(bns), |
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205 } |
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206 return &summary, err |
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207 } |